Home / 45,309,666.30-67,964,499.45-13,396,962.30

Finding the Fourth Proportional to 45,309,666.30, 67,964,499.45 and 13,396,962.30

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Solution

The fourth proportional to 45,309,666.30, 67,964,499.45 and 13,396,962.30 is: 20,095,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309,666.30 : 67,964,499.45 = 13,396,962.30 : x
  2. Step 2: Convert to fraction form
    45,309,666.30/67,964,499.45 = 13,396,962.30/x
  3. Step 3: Cross multiply
    45,309,666.30x = 67,964,499.45 × 13,396,962.30
  4. Step 4: Simplify right side
    45,309,666.30x = 910,517,836,870,020.88
  5. Step 5: Solve for x
    x = 910,517,836,870,020.88/45,309,666.30
  6. Step 6: Final answer
    x = 20,095,443.45

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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.