Home / 52,461,077.40-78,691,616.10-18,378,869.40

Finding the Fourth Proportional to 52,461,077.40, 78,691,616.10 and 18,378,869.40

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Solution

The fourth proportional to 52,461,077.40, 78,691,616.10 and 18,378,869.40 is: 27,568,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,461,077.40 : 78,691,616.10 = 18,378,869.40 : x
  2. Step 2: Convert to fraction form
    52,461,077.40/78,691,616.10 = 18,378,869.40/x
  3. Step 3: Cross multiply
    52,461,077.40x = 78,691,616.10 × 18,378,869.40
  4. Step 4: Simplify right side
    52,461,077.40x = 1,446,262,935,176,837
  5. Step 5: Solve for x
    x = 1,446,262,935,176,837/52,461,077.40
  6. Step 6: Final answer
    x = 27,568,304.10

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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.