Home / 54,324,001.60-81,486,002.40-17,938,007.80

Finding the Fourth Proportional to 54,324,001.60, 81,486,002.40 and 17,938,007.80

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Solution

The fourth proportional to 54,324,001.60, 81,486,002.40 and 17,938,007.80 is: 26,907,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324,001.60 : 81,486,002.40 = 17,938,007.80 : x
  2. Step 2: Convert to fraction form
    54,324,001.60/81,486,002.40 = 17,938,007.80/x
  3. Step 3: Cross multiply
    54,324,001.60x = 81,486,002.40 × 17,938,007.80
  4. Step 4: Simplify right side
    54,324,001.60x = 1,461,696,546,642,019
  5. Step 5: Solve for x
    x = 1,461,696,546,642,019/54,324,001.60
  6. Step 6: Final answer
    x = 26,907,011.70

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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.