Home / 21,719,721.70-32,579,084.40-10,934,126.20

Finding the Fourth Proportional to 21,719,721.70, 32,579,084.40 and 10,934,126.20

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Solution

The fourth proportional to 21,719,721.70, 32,579,084.40 and 10,934,126.20 is: 16,400,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719,721.70 : 32,579,084.40 = 10,934,126.20 : x
  2. Step 2: Convert to fraction form
    21,719,721.70/32,579,084.40 = 10,934,126.20/x
  3. Step 3: Cross multiply
    21,719,721.70x = 32,579,084.40 × 10,934,126.20
  4. Step 4: Simplify right side
    21,719,721.70x = 356,223,820,310,051.25
  5. Step 5: Solve for x
    x = 356,223,820,310,051.25/21,719,721.70
  6. Step 6: Final answer
    x = 16,400,938.52

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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.