Home / 10,752,648.40-16,128,972.60-6,945,518.80

Finding the Fourth Proportional to 10,752,648.40, 16,128,972.60 and 6,945,518.80

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Solution

The fourth proportional to 10,752,648.40, 16,128,972.60 and 6,945,518.80 is: 10,418,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,648.40 : 16,128,972.60 = 6,945,518.80 : x
  2. Step 2: Convert to fraction form
    10,752,648.40/16,128,972.60 = 6,945,518.80/x
  3. Step 3: Cross multiply
    10,752,648.40x = 16,128,972.60 × 6,945,518.80
  4. Step 4: Simplify right side
    10,752,648.40x = 112,024,082,417,984.88
  5. Step 5: Solve for x
    x = 112,024,082,417,984.88/10,752,648.40
  6. Step 6: Final answer
    x = 10,418,278.20

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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.