Home / 10,456,484.46-15,671,366.13-8,435,681.34

Finding the Fourth Proportional to 10,456,484.46, 15,671,366.13 and 8,435,681.34

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Solution

The fourth proportional to 10,456,484.46, 15,671,366.13 and 8,435,681.34 is: 12,642,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456,484.46 : 15,671,366.13 = 8,435,681.34 : x
  2. Step 2: Convert to fraction form
    10,456,484.46/15,671,366.13 = 8,435,681.34/x
  3. Step 3: Cross multiply
    10,456,484.46x = 15,671,366.13 × 8,435,681.34
  4. Step 4: Simplify right side
    10,456,484.46x = 132,198,650,835,149.02
  5. Step 5: Solve for x
    x = 132,198,650,835,149.02/10,456,484.46
  6. Step 6: Final answer
    x = 12,642,743.49

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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.