Home / 10,427,999.20-15,641,998.80-9,504,210.40

Finding the Fourth Proportional to 10,427,999.20, 15,641,998.80 and 9,504,210.40

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Solution

The fourth proportional to 10,427,999.20, 15,641,998.80 and 9,504,210.40 is: 14,256,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427,999.20 : 15,641,998.80 = 9,504,210.40 : x
  2. Step 2: Convert to fraction form
    10,427,999.20/15,641,998.80 = 9,504,210.40/x
  3. Step 3: Cross multiply
    10,427,999.20x = 15,641,998.80 × 9,504,210.40
  4. Step 4: Simplify right side
    10,427,999.20x = 148,664,847,671,747.53
  5. Step 5: Solve for x
    x = 148,664,847,671,747.53/10,427,999.20
  6. Step 6: Final answer
    x = 14,256,315.60

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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.