Home / 10,446,016.80-15,669,025.20-9,186,304.80

Finding the Fourth Proportional to 10,446,016.80, 15,669,025.20 and 9,186,304.80

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Solution

The fourth proportional to 10,446,016.80, 15,669,025.20 and 9,186,304.80 is: 13,779,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446,016.80 : 15,669,025.20 = 9,186,304.80 : x
  2. Step 2: Convert to fraction form
    10,446,016.80/15,669,025.20 = 9,186,304.80/x
  3. Step 3: Cross multiply
    10,446,016.80x = 15,669,025.20 × 9,186,304.80
  4. Step 4: Simplify right side
    10,446,016.80x = 143,940,441,406,080.97
  5. Step 5: Solve for x
    x = 143,940,441,406,080.97/10,446,016.80
  6. Step 6: Final answer
    x = 13,779,457.20

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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.