Home / 54,324,007.60-81,486,011.40-17,938,013.80

Finding the Fourth Proportional to 54,324,007.60, 81,486,011.40 and 17,938,013.80

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Solution

The fourth proportional to 54,324,007.60, 81,486,011.40 and 17,938,013.80 is: 26,907,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324,007.60 : 81,486,011.40 = 17,938,013.80 : x
  2. Step 2: Convert to fraction form
    54,324,007.60/81,486,011.40 = 17,938,013.80/x
  3. Step 3: Cross multiply
    54,324,007.60x = 81,486,011.40 × 17,938,013.80
  4. Step 4: Simplify right side
    54,324,007.60x = 1,461,697,197,000,157.50
  5. Step 5: Solve for x
    x = 1,461,697,197,000,157.50/54,324,007.60
  6. Step 6: Final answer
    x = 26,907,020.70

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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.