Home / 25,842,947.20-38,764,420.80-8,822,838.40

Finding the Fourth Proportional to 25,842,947.20, 38,764,420.80 and 8,822,838.40

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Solution

The fourth proportional to 25,842,947.20, 38,764,420.80 and 8,822,838.40 is: 13,234,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842,947.20 : 38,764,420.80 = 8,822,838.40 : x
  2. Step 2: Convert to fraction form
    25,842,947.20/38,764,420.80 = 8,822,838.40/x
  3. Step 3: Cross multiply
    25,842,947.20x = 38,764,420.80 × 8,822,838.40
  4. Step 4: Simplify right side
    25,842,947.20x = 342,012,220,387,998.69
  5. Step 5: Solve for x
    x = 342,012,220,387,998.69/25,842,947.20
  6. Step 6: Final answer
    x = 13,234,257.60

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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.