Home / 21,376,661.40-29,499,002.40-11,586,895.41

Finding the Fourth Proportional to 21,376,661.40, 29,499,002.40 and 11,586,895.41

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Solution

The fourth proportional to 21,376,661.40, 29,499,002.40 and 11,586,895.41 is: 15,989,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,661.40 : 29,499,002.40 = 11,586,895.41 : x
  2. Step 2: Convert to fraction form
    21,376,661.40/29,499,002.40 = 11,586,895.41/x
  3. Step 3: Cross multiply
    21,376,661.40x = 29,499,002.40 × 11,586,895.41
  4. Step 4: Simplify right side
    21,376,661.40x = 341,801,855,508,139
  5. Step 5: Solve for x
    x = 341,801,855,508,139/21,376,661.40
  6. Step 6: Final answer
    x = 15,989,487.28

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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.