Home / 10,658,671.70-15,988,007.55-7,467,401.30

Finding the Fourth Proportional to 10,658,671.70, 15,988,007.55 and 7,467,401.30

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Solution

The fourth proportional to 10,658,671.70, 15,988,007.55 and 7,467,401.30 is: 11,201,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,671.70 : 15,988,007.55 = 7,467,401.30 : x
  2. Step 2: Convert to fraction form
    10,658,671.70/15,988,007.55 = 7,467,401.30/x
  3. Step 3: Cross multiply
    10,658,671.70x = 15,988,007.55 × 7,467,401.30
  4. Step 4: Simplify right side
    10,658,671.70x = 119,388,868,363,279.81
  5. Step 5: Solve for x
    x = 119,388,868,363,279.81/10,658,671.70
  6. Step 6: Final answer
    x = 11,201,101.95

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Double scale
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Similar ratio
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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.