Home / 28,088,137.65-42,142,704.08-11,060,680.53

Finding the Fourth Proportional to 28,088,137.65, 42,142,704.08 and 11,060,680.53

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Solution

The fourth proportional to 28,088,137.65, 42,142,704.08 and 11,060,680.53 is: 16,595,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,137.65 : 42,142,704.08 = 11,060,680.53 : x
  2. Step 2: Convert to fraction form
    28,088,137.65/42,142,704.08 = 11,060,680.53/x
  3. Step 3: Cross multiply
    28,088,137.65x = 42,142,704.08 × 11,060,680.53
  4. Step 4: Simplify right side
    28,088,137.65x = 466,126,986,443,904.19
  5. Step 5: Solve for x
    x = 466,126,986,443,904.19/28,088,137.65
  6. Step 6: Final answer
    x = 16,595,154.59

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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.