Home / 8,474,702.40-12,695,464.80-5,098,881.60

Finding the Fourth Proportional to 8,474,702.40, 12,695,464.80 and 5,098,881.60

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Solution

The fourth proportional to 8,474,702.40, 12,695,464.80 and 5,098,881.60 is: 7,638,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,702.40 : 12,695,464.80 = 5,098,881.60 : x
  2. Step 2: Convert to fraction form
    8,474,702.40/12,695,464.80 = 5,098,881.60/x
  3. Step 3: Cross multiply
    8,474,702.40x = 12,695,464.80 × 5,098,881.60
  4. Step 4: Simplify right side
    8,474,702.40x = 64,732,671,872,167.68
  5. Step 5: Solve for x
    x = 64,732,671,872,167.68/8,474,702.40
  6. Step 6: Final answer
    x = 7,638,341.60

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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.