Home / 10,248,035.70-15,372,053.55-7,378,254.30

Finding the Fourth Proportional to 10,248,035.70, 15,372,053.55 and 7,378,254.30

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Solution

The fourth proportional to 10,248,035.70, 15,372,053.55 and 7,378,254.30 is: 11,067,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248,035.70 : 15,372,053.55 = 7,378,254.30 : x
  2. Step 2: Convert to fraction form
    10,248,035.70/15,372,053.55 = 7,378,254.30/x
  3. Step 3: Cross multiply
    10,248,035.70x = 15,372,053.55 × 7,378,254.30
  4. Step 4: Simplify right side
    10,248,035.70x = 113,418,920,205,117.77
  5. Step 5: Solve for x
    x = 113,418,920,205,117.77/10,248,035.70
  6. Step 6: Final answer
    x = 11,067,381.45

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1.5x scale

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.