Home / 12,781,899.23-17,639,456.24-7,559,384.24

Finding the Fourth Proportional to 12,781,899.23, 17,639,456.24 and 7,559,384.24

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Solution

The fourth proportional to 12,781,899.23, 17,639,456.24 and 7,559,384.24 is: 10,432,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,899.23 : 17,639,456.24 = 7,559,384.24 : x
  2. Step 2: Convert to fraction form
    12,781,899.23/17,639,456.24 = 7,559,384.24/x
  3. Step 3: Cross multiply
    12,781,899.23x = 17,639,456.24 × 7,559,384.24
  4. Step 4: Simplify right side
    12,781,899.23x = 133,343,427,471,327.09
  5. Step 5: Solve for x
    x = 133,343,427,471,327.09/12,781,899.23
  6. Step 6: Final answer
    x = 10,432,207.69

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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.