Home / 13,011,397.92-17,955,835.43-7,210,276.55

Finding the Fourth Proportional to 13,011,397.92, 17,955,835.43 and 7,210,276.55

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Solution

The fourth proportional to 13,011,397.92, 17,955,835.43 and 7,210,276.55 is: 9,950,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,397.92 : 17,955,835.43 = 7,210,276.55 : x
  2. Step 2: Convert to fraction form
    13,011,397.92/17,955,835.43 = 7,210,276.55/x
  3. Step 3: Cross multiply
    13,011,397.92x = 17,955,835.43 × 7,210,276.55
  4. Step 4: Simplify right side
    13,011,397.92x = 129,466,539,010,757.61
  5. Step 5: Solve for x
    x = 129,466,539,010,757.61/13,011,397.92
  6. Step 6: Final answer
    x = 9,950,240.54

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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.