Home / 12,356,492.10-18,534,738.15-10,214,981.70

Finding the Fourth Proportional to 12,356,492.10, 18,534,738.15 and 10,214,981.70

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Solution

The fourth proportional to 12,356,492.10, 18,534,738.15 and 10,214,981.70 is: 15,322,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,492.10 : 18,534,738.15 = 10,214,981.70 : x
  2. Step 2: Convert to fraction form
    12,356,492.10/18,534,738.15 = 10,214,981.70/x
  3. Step 3: Cross multiply
    12,356,492.10x = 18,534,738.15 × 10,214,981.70
  4. Step 4: Simplify right side
    12,356,492.10x = 189,332,011,016,541.81
  5. Step 5: Solve for x
    x = 189,332,011,016,541.81/12,356,492.10
  6. Step 6: Final answer
    x = 15,322,472.55

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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.