Home / 19,980,079.92-27,572,510.16-10,812,724.56

Finding the Fourth Proportional to 19,980,079.92, 27,572,510.16 and 10,812,724.56

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Solution

The fourth proportional to 19,980,079.92, 27,572,510.16 and 10,812,724.56 is: 14,921,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,079.92 : 27,572,510.16 = 10,812,724.56 : x
  2. Step 2: Convert to fraction form
    19,980,079.92/27,572,510.16 = 10,812,724.56/x
  3. Step 3: Cross multiply
    19,980,079.92x = 27,572,510.16 × 10,812,724.56
  4. Step 4: Simplify right side
    19,980,079.92x = 298,133,957,787,881.56
  5. Step 5: Solve for x
    x = 298,133,957,787,881.56/19,980,079.92
  6. Step 6: Final answer
    x = 14,921,559.82

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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.