Home / 20,157,569.15-27,816,644.04-11,900,291.29

Finding the Fourth Proportional to 20,157,569.15, 27,816,644.04 and 11,900,291.29

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Solution

The fourth proportional to 20,157,569.15, 27,816,644.04 and 11,900,291.29 is: 16,421,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,569.15 : 27,816,644.04 = 11,900,291.29 : x
  2. Step 2: Convert to fraction form
    20,157,569.15/27,816,644.04 = 11,900,291.29/x
  3. Step 3: Cross multiply
    20,157,569.15x = 27,816,644.04 × 11,900,291.29
  4. Step 4: Simplify right side
    20,157,569.15x = 331,026,166,895,482.50
  5. Step 5: Solve for x
    x = 331,026,166,895,482.50/20,157,569.15
  6. Step 6: Final answer
    x = 16,421,928.88

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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.