Home / 10,868,025-15,011,028.24-7,923,178.56

Finding the Fourth Proportional to 10,868,025, 15,011,028.24 and 7,923,178.56

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Solution

The fourth proportional to 10,868,025, 15,011,028.24 and 7,923,178.56 is: 10,943,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,025 : 15,011,028.24 = 7,923,178.56 : x
  2. Step 2: Convert to fraction form
    10,868,025/15,011,028.24 = 7,923,178.56/x
  3. Step 3: Cross multiply
    10,868,025x = 15,011,028.24 × 7,923,178.56
  4. Step 4: Simplify right side
    10,868,025x = 118,935,057,114,722.53
  5. Step 5: Solve for x
    x = 118,935,057,114,722.53/10,868,025
  6. Step 6: Final answer
    x = 10,943,575.96

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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.