Home / 10,645,217.76-14,685,765.36-6,515,432.76

Finding the Fourth Proportional to 10,645,217.76, 14,685,765.36 and 6,515,432.76

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Solution

The fourth proportional to 10,645,217.76, 14,685,765.36 and 6,515,432.76 is: 8,988,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645,217.76 : 14,685,765.36 = 6,515,432.76 : x
  2. Step 2: Convert to fraction form
    10,645,217.76/14,685,765.36 = 6,515,432.76/x
  3. Step 3: Cross multiply
    10,645,217.76x = 14,685,765.36 × 6,515,432.76
  4. Step 4: Simplify right side
    10,645,217.76x = 95,684,116,732,217.19
  5. Step 5: Solve for x
    x = 95,684,116,732,217.19/10,645,217.76
  6. Step 6: Final answer
    x = 8,988,460.25

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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.