Home / 28,763,948.61-39,694,204.71-15,711,207.66

Finding the Fourth Proportional to 28,763,948.61, 39,694,204.71 and 15,711,207.66

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Solution

The fourth proportional to 28,763,948.61, 39,694,204.71 and 15,711,207.66 is: 21,681,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763,948.61 : 39,694,204.71 = 15,711,207.66 : x
  2. Step 2: Convert to fraction form
    28,763,948.61/39,694,204.71 = 15,711,207.66/x
  3. Step 3: Cross multiply
    28,763,948.61x = 39,694,204.71 × 15,711,207.66
  4. Step 4: Simplify right side
    28,763,948.61x = 623,643,893,097,360.12
  5. Step 5: Solve for x
    x = 623,643,893,097,360.12/28,763,948.61
  6. Step 6: Final answer
    x = 21,681,442.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.