Home / 28,598,420.18-42,883,680.87-10,148,117.88

Finding the Fourth Proportional to 28,598,420.18, 42,883,680.87 and 10,148,117.88

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Solution

The fourth proportional to 28,598,420.18, 42,883,680.87 and 10,148,117.88 is: 15,217,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598,420.18 : 42,883,680.87 = 10,148,117.88 : x
  2. Step 2: Convert to fraction form
    28,598,420.18/42,883,680.87 = 10,148,117.88/x
  3. Step 3: Cross multiply
    28,598,420.18x = 42,883,680.87 × 10,148,117.88
  4. Step 4: Simplify right side
    28,598,420.18x = 435,188,648,597,060.94
  5. Step 5: Solve for x
    x = 435,188,648,597,060.94/28,598,420.18
  6. Step 6: Final answer
    x = 15,217,226.89

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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.