Home / 28,524,730.60-42,787,095.90-13,171,990.60

Finding the Fourth Proportional to 28,524,730.60, 42,787,095.90 and 13,171,990.60

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Solution

The fourth proportional to 28,524,730.60, 42,787,095.90 and 13,171,990.60 is: 19,757,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524,730.60 : 42,787,095.90 = 13,171,990.60 : x
  2. Step 2: Convert to fraction form
    28,524,730.60/42,787,095.90 = 13,171,990.60/x
  3. Step 3: Cross multiply
    28,524,730.60x = 42,787,095.90 × 13,171,990.60
  4. Step 4: Simplify right side
    28,524,730.60x = 563,591,224,996,098.50
  5. Step 5: Solve for x
    x = 563,591,224,996,098.50/28,524,730.60
  6. Step 6: Final answer
    x = 19,757,985.90

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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.