Home / 18,713,276.20-28,073,996.70-10,630,124.20

Finding the Fourth Proportional to 18,713,276.20, 28,073,996.70 and 10,630,124.20

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Solution

The fourth proportional to 18,713,276.20, 28,073,996.70 and 10,630,124.20 is: 15,947,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,276.20 : 28,073,996.70 = 10,630,124.20 : x
  2. Step 2: Convert to fraction form
    18,713,276.20/28,073,996.70 = 10,630,124.20/x
  3. Step 3: Cross multiply
    18,713,276.20x = 28,073,996.70 × 10,630,124.20
  4. Step 4: Simplify right side
    18,713,276.20x = 298,430,071,711,390.12
  5. Step 5: Solve for x
    x = 298,430,071,711,390.12/18,713,276.20
  6. Step 6: Final answer
    x = 15,947,505.32

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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.