Home / 28,145,913.57-42,246,104.10-13,583,084.67

Finding the Fourth Proportional to 28,145,913.57, 42,246,104.10 and 13,583,084.67

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Solution

The fourth proportional to 28,145,913.57, 42,246,104.10 and 13,583,084.67 is: 20,387,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,913.57 : 42,246,104.10 = 13,583,084.67 : x
  2. Step 2: Convert to fraction form
    28,145,913.57/42,246,104.10 = 13,583,084.67/x
  3. Step 3: Cross multiply
    28,145,913.57x = 42,246,104.10 × 13,583,084.67
  4. Step 4: Simplify right side
    28,145,913.57x = 573,832,408,967,934.12
  5. Step 5: Solve for x
    x = 573,832,408,967,934.12/28,145,913.57
  6. Step 6: Final answer
    x = 20,387,769.88

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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.