Home / 12,750,511.20-17,596,116.45-7,243,785.87

Finding the Fourth Proportional to 12,750,511.20, 17,596,116.45 and 7,243,785.87

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Solution

The fourth proportional to 12,750,511.20, 17,596,116.45 and 7,243,785.87 is: 9,996,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750,511.20 : 17,596,116.45 = 7,243,785.87 : x
  2. Step 2: Convert to fraction form
    12,750,511.20/17,596,116.45 = 7,243,785.87/x
  3. Step 3: Cross multiply
    12,750,511.20x = 17,596,116.45 × 7,243,785.87
  4. Step 4: Simplify right side
    12,750,511.20x = 127,462,499,707,384.56
  5. Step 5: Solve for x
    x = 127,462,499,707,384.56/12,750,511.20
  6. Step 6: Final answer
    x = 9,996,657.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.