Home / 10,306,939.60-15,460,409.40-9,425,141.20

Finding the Fourth Proportional to 10,306,939.60, 15,460,409.40 and 9,425,141.20

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Solution

The fourth proportional to 10,306,939.60, 15,460,409.40 and 9,425,141.20 is: 14,137,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,939.60 : 15,460,409.40 = 9,425,141.20 : x
  2. Step 2: Convert to fraction form
    10,306,939.60/15,460,409.40 = 9,425,141.20/x
  3. Step 3: Cross multiply
    10,306,939.60x = 15,460,409.40 × 9,425,141.20
  4. Step 4: Simplify right side
    10,306,939.60x = 145,716,541,604,807.28
  5. Step 5: Solve for x
    x = 145,716,541,604,807.28/10,306,939.60
  6. Step 6: Final answer
    x = 14,137,711.80

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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.