Home / 14,192,301.79-19,585,384.30-7,665,931.18

Finding the Fourth Proportional to 14,192,301.79, 19,585,384.30 and 7,665,931.18

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Solution

The fourth proportional to 14,192,301.79, 19,585,384.30 and 7,665,931.18 is: 10,578,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192,301.79 : 19,585,384.30 = 7,665,931.18 : x
  2. Step 2: Convert to fraction form
    14,192,301.79/19,585,384.30 = 7,665,931.18/x
  3. Step 3: Cross multiply
    14,192,301.79x = 19,585,384.30 × 7,665,931.18
  4. Step 4: Simplify right side
    14,192,301.79x = 150,140,208,177,652.47
  5. Step 5: Solve for x
    x = 150,140,208,177,652.47/14,192,301.79
  6. Step 6: Final answer
    x = 10,578,989.26

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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.