Home / 32,418,087.20-48,627,130.80-18,947,981.60

Finding the Fourth Proportional to 32,418,087.20, 48,627,130.80 and 18,947,981.60

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Solution

The fourth proportional to 32,418,087.20, 48,627,130.80 and 18,947,981.60 is: 28,421,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418,087.20 : 48,627,130.80 = 18,947,981.60 : x
  2. Step 2: Convert to fraction form
    32,418,087.20/48,627,130.80 = 18,947,981.60/x
  3. Step 3: Cross multiply
    32,418,087.20x = 48,627,130.80 × 18,947,981.60
  4. Step 4: Simplify right side
    32,418,087.20x = 921,385,979,659,193.25
  5. Step 5: Solve for x
    x = 921,385,979,659,193.25/32,418,087.20
  6. Step 6: Final answer
    x = 28,421,972.40

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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.