Home / 39,073,436.16-53,924,654.52-21,675,387.30

Finding the Fourth Proportional to 39,073,436.16, 53,924,654.52 and 21,675,387.30

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Solution

The fourth proportional to 39,073,436.16, 53,924,654.52 and 21,675,387.30 is: 29,913,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,073,436.16 : 53,924,654.52 = 21,675,387.30 : x
  2. Step 2: Convert to fraction form
    39,073,436.16/53,924,654.52 = 21,675,387.30/x
  3. Step 3: Cross multiply
    39,073,436.16x = 53,924,654.52 × 21,675,387.30
  4. Step 4: Simplify right side
    39,073,436.16x = 1,168,837,771,739,695.75
  5. Step 5: Solve for x
    x = 1,168,837,771,739,695.75/39,073,436.16
  6. Step 6: Final answer
    x = 29,913,872.10

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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.