Home / 11,123,139.40-16,680,561.90-4,390,160.20

Finding the Fourth Proportional to 11,123,139.40, 16,680,561.90 and 4,390,160.20

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Solution

The fourth proportional to 11,123,139.40, 16,680,561.90 and 4,390,160.20 is: 6,583,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123,139.40 : 16,680,561.90 = 4,390,160.20 : x
  2. Step 2: Convert to fraction form
    11,123,139.40/16,680,561.90 = 4,390,160.20/x
  3. Step 3: Cross multiply
    11,123,139.40x = 16,680,561.90 × 4,390,160.20
  4. Step 4: Simplify right side
    11,123,139.40x = 73,230,338,967,016.39
  5. Step 5: Solve for x
    x = 73,230,338,967,016.39/11,123,139.40
  6. Step 6: Final answer
    x = 6,583,603.45

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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.