Home / 28,156,909.80-42,203,871.90-16,032,181.80

Finding the Fourth Proportional to 28,156,909.80, 42,203,871.90 and 16,032,181.80

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Solution

The fourth proportional to 28,156,909.80, 42,203,871.90 and 16,032,181.80 is: 24,030,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156,909.80 : 42,203,871.90 = 16,032,181.80 : x
  2. Step 2: Convert to fraction form
    28,156,909.80/42,203,871.90 = 16,032,181.80/x
  3. Step 3: Cross multiply
    28,156,909.80x = 42,203,871.90 × 16,032,181.80
  4. Step 4: Simplify right side
    28,156,909.80x = 676,620,146,964,711.38
  5. Step 5: Solve for x
    x = 676,620,146,964,711.38/28,156,909.80
  6. Step 6: Final answer
    x = 24,030,341.11

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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.