Home / 20,142,266.71-27,796,332.06-10,974,909.46

Finding the Fourth Proportional to 20,142,266.71, 27,796,332.06 and 10,974,909.46

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Solution

The fourth proportional to 20,142,266.71, 27,796,332.06 and 10,974,909.46 is: 15,145,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,266.71 : 27,796,332.06 = 10,974,909.46 : x
  2. Step 2: Convert to fraction form
    20,142,266.71/27,796,332.06 = 10,974,909.46/x
  3. Step 3: Cross multiply
    20,142,266.71x = 27,796,332.06 × 10,974,909.46
  4. Step 4: Simplify right side
    20,142,266.71x = 305,062,227,678,595.31
  5. Step 5: Solve for x
    x = 305,062,227,678,595.31/20,142,266.71
  6. Step 6: Final answer
    x = 15,145,377.23

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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.