Home / 14,115,416.40-21,173,124.60-14,009,128.20

Finding the Fourth Proportional to 14,115,416.40, 21,173,124.60 and 14,009,128.20

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Solution

The fourth proportional to 14,115,416.40, 21,173,124.60 and 14,009,128.20 is: 21,013,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,416.40 : 21,173,124.60 = 14,009,128.20 : x
  2. Step 2: Convert to fraction form
    14,115,416.40/21,173,124.60 = 14,009,128.20/x
  3. Step 3: Cross multiply
    14,115,416.40x = 21,173,124.60 × 14,009,128.20
  4. Step 4: Simplify right side
    14,115,416.40x = 296,617,016,915,973.75
  5. Step 5: Solve for x
    x = 296,617,016,915,973.75/14,115,416.40
  6. Step 6: Final answer
    x = 21,013,692.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.