Home / 28,110,033.30-42,071,737.95-20,411,793.30

Finding the Fourth Proportional to 28,110,033.30, 42,071,737.95 and 20,411,793.30

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Solution

The fourth proportional to 28,110,033.30, 42,071,737.95 and 20,411,793.30 is: 30,549,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110,033.30 : 42,071,737.95 = 20,411,793.30 : x
  2. Step 2: Convert to fraction form
    28,110,033.30/42,071,737.95 = 20,411,793.30/x
  3. Step 3: Cross multiply
    28,110,033.30x = 42,071,737.95 × 20,411,793.30
  4. Step 4: Simplify right side
    28,110,033.30x = 858,759,618,807,165.88
  5. Step 5: Solve for x
    x = 858,759,618,807,165.88/28,110,033.30
  6. Step 6: Final answer
    x = 30,549,932.46

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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.