Home / 14,593,989.40-21,890,984.10-9,219,218.20

Finding the Fourth Proportional to 14,593,989.40, 21,890,984.10 and 9,219,218.20

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Solution

The fourth proportional to 14,593,989.40, 21,890,984.10 and 9,219,218.20 is: 13,828,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593,989.40 : 21,890,984.10 = 9,219,218.20 : x
  2. Step 2: Convert to fraction form
    14,593,989.40/21,890,984.10 = 9,219,218.20/x
  3. Step 3: Cross multiply
    14,593,989.40x = 21,890,984.10 × 9,219,218.20
  4. Step 4: Simplify right side
    14,593,989.40x = 201,817,759,030,630.62
  5. Step 5: Solve for x
    x = 201,817,759,030,630.62/14,593,989.40
  6. Step 6: Final answer
    x = 13,828,827.30

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Double scale
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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.