Home / 20,480,304.66-30,721,637.96-7,700,920.08

Finding the Fourth Proportional to 20,480,304.66, 30,721,637.96 and 7,700,920.08

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Solution

The fourth proportional to 20,480,304.66, 30,721,637.96 and 7,700,920.08 is: 11,551,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,480,304.66 : 30,721,637.96 = 7,700,920.08 : x
  2. Step 2: Convert to fraction form
    20,480,304.66/30,721,637.96 = 7,700,920.08/x
  3. Step 3: Cross multiply
    20,480,304.66x = 30,721,637.96 × 7,700,920.08
  4. Step 4: Simplify right side
    20,480,304.66x = 236,584,878,656,654.25
  5. Step 5: Solve for x
    x = 236,584,878,656,654.25/20,480,304.66
  6. Step 6: Final answer
    x = 11,551,824.18

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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.