Home / 28,392,439.20-42,532,671.60-16,411,178.40

Finding the Fourth Proportional to 28,392,439.20, 42,532,671.60 and 16,411,178.40

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Solution

The fourth proportional to 28,392,439.20, 42,532,671.60 and 16,411,178.40 is: 24,584,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,439.20 : 42,532,671.60 = 16,411,178.40 : x
  2. Step 2: Convert to fraction form
    28,392,439.20/42,532,671.60 = 16,411,178.40/x
  3. Step 3: Cross multiply
    28,392,439.20x = 42,532,671.60 × 16,411,178.40
  4. Step 4: Simplify right side
    28,392,439.20x = 698,011,261,456,213.50
  5. Step 5: Solve for x
    x = 698,011,261,456,213.50/28,392,439.20
  6. Step 6: Final answer
    x = 24,584,406.31

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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.