Home / 10,515,116.20-15,763,926.30-4,454,501.80

Finding the Fourth Proportional to 10,515,116.20, 15,763,926.30 and 4,454,501.80

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Solution

The fourth proportional to 10,515,116.20, 15,763,926.30 and 4,454,501.80 is: 6,678,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,116.20 : 15,763,926.30 = 4,454,501.80 : x
  2. Step 2: Convert to fraction form
    10,515,116.20/15,763,926.30 = 4,454,501.80/x
  3. Step 3: Cross multiply
    10,515,116.20x = 15,763,926.30 × 4,454,501.80
  4. Step 4: Simplify right side
    10,515,116.20x = 70,220,438,078,417.34
  5. Step 5: Solve for x
    x = 70,220,438,078,417.34/10,515,116.20
  6. Step 6: Final answer
    x = 6,678,046.80

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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.