Home / 21,812,892.80-32,724,254.40-12,832,822.40

Finding the Fourth Proportional to 21,812,892.80, 32,724,254.40 and 12,832,822.40

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Solution

The fourth proportional to 21,812,892.80, 32,724,254.40 and 12,832,822.40 is: 19,252,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,892.80 : 32,724,254.40 = 12,832,822.40 : x
  2. Step 2: Convert to fraction form
    21,812,892.80/32,724,254.40 = 12,832,822.40/x
  3. Step 3: Cross multiply
    21,812,892.80x = 32,724,254.40 × 12,832,822.40
  4. Step 4: Simplify right side
    21,812,892.80x = 419,944,544,887,618.56
  5. Step 5: Solve for x
    x = 419,944,544,887,618.56/21,812,892.80
  6. Step 6: Final answer
    x = 19,252,125.28

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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.