Home / 10,287,701.10-15,421,896.45-3,459,499.92

Finding the Fourth Proportional to 10,287,701.10, 15,421,896.45 and 3,459,499.92

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Solution

The fourth proportional to 10,287,701.10, 15,421,896.45 and 3,459,499.92 is: 5,186,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287,701.10 : 15,421,896.45 = 3,459,499.92 : x
  2. Step 2: Convert to fraction form
    10,287,701.10/15,421,896.45 = 3,459,499.92/x
  3. Step 3: Cross multiply
    10,287,701.10x = 15,421,896.45 × 3,459,499.92
  4. Step 4: Simplify right side
    10,287,701.10x = 53,352,049,535,023.28
  5. Step 5: Solve for x
    x = 53,352,049,535,023.28/10,287,701.10
  6. Step 6: Final answer
    x = 5,186,003.07

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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.