Home / 10,122,547.38-13,969,115.38-5,538,868.76

Finding the Fourth Proportional to 10,122,547.38, 13,969,115.38 and 5,538,868.76

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Solution

The fourth proportional to 10,122,547.38, 13,969,115.38 and 5,538,868.76 is: 7,643,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,547.38 : 13,969,115.38 = 5,538,868.76 : x
  2. Step 2: Convert to fraction form
    10,122,547.38/13,969,115.38 = 5,538,868.76/x
  3. Step 3: Cross multiply
    10,122,547.38x = 13,969,115.38 × 5,538,868.76
  4. Step 4: Simplify right side
    10,122,547.38x = 77,373,096,783,117.53
  5. Step 5: Solve for x
    x = 77,373,096,783,117.53/10,122,547.38
  6. Step 6: Final answer
    x = 7,643,638.89

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1.5x scale

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.