Home / 47,251,569.60-70,735,636.80-28,072,454.40

Finding the Fourth Proportional to 47,251,569.60, 70,735,636.80 and 28,072,454.40

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Solution

The fourth proportional to 47,251,569.60, 70,735,636.80 and 28,072,454.40 is: 42,024,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,251,569.60 : 70,735,636.80 = 28,072,454.40 : x
  2. Step 2: Convert to fraction form
    47,251,569.60/70,735,636.80 = 28,072,454.40/x
  3. Step 3: Cross multiply
    47,251,569.60x = 70,735,636.80 × 28,072,454.40
  4. Step 4: Simplify right side
    47,251,569.60x = 1,985,722,938,522,961.75
  5. Step 5: Solve for x
    x = 1,985,722,938,522,961.75/47,251,569.60
  6. Step 6: Final answer
    x = 42,024,486.28

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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.