Home / 21,053,638.32-31,532,626.36-16,476,159.76

Finding the Fourth Proportional to 21,053,638.32, 31,532,626.36 and 16,476,159.76

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Solution

The fourth proportional to 21,053,638.32, 31,532,626.36 and 16,476,159.76 is: 24,676,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,053,638.32 : 31,532,626.36 = 16,476,159.76 : x
  2. Step 2: Convert to fraction form
    21,053,638.32/31,532,626.36 = 16,476,159.76/x
  3. Step 3: Cross multiply
    21,053,638.32x = 31,532,626.36 × 16,476,159.76
  4. Step 4: Simplify right side
    21,053,638.32x = 519,536,589,559,747.25
  5. Step 5: Solve for x
    x = 519,536,589,559,747.25/21,053,638.32
  6. Step 6: Final answer
    x = 24,676,807.95

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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.