Home / 31,054,139.44-42,854,882.40-18,009,132.76

Finding the Fourth Proportional to 31,054,139.44, 42,854,882.40 and 18,009,132.76

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Solution

The fourth proportional to 31,054,139.44, 42,854,882.40 and 18,009,132.76 is: 24,852,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,139.44 : 42,854,882.40 = 18,009,132.76 : x
  2. Step 2: Convert to fraction form
    31,054,139.44/42,854,882.40 = 18,009,132.76/x
  3. Step 3: Cross multiply
    31,054,139.44x = 42,854,882.40 × 18,009,132.76
  4. Step 4: Simplify right side
    31,054,139.44x = 771,779,266,555,787.50
  5. Step 5: Solve for x
    x = 771,779,266,555,787.50/31,054,139.44
  6. Step 6: Final answer
    x = 24,852,701.78

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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.