Home / 14,009,811.40-21,014,717.10-7,632,519.40

Finding the Fourth Proportional to 14,009,811.40, 21,014,717.10 and 7,632,519.40

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Solution

The fourth proportional to 14,009,811.40, 21,014,717.10 and 7,632,519.40 is: 11,448,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,811.40 : 21,014,717.10 = 7,632,519.40 : x
  2. Step 2: Convert to fraction form
    14,009,811.40/21,014,717.10 = 7,632,519.40/x
  3. Step 3: Cross multiply
    14,009,811.40x = 21,014,717.10 × 7,632,519.40
  4. Step 4: Simplify right side
    14,009,811.40x = 160,395,235,951,261.75
  5. Step 5: Solve for x
    x = 160,395,235,951,261.75/14,009,811.40
  6. Step 6: Final answer
    x = 11,448,779.10

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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.