Home / 18,534,867.60-27,804,925.80-5,754,039.60

Finding the Fourth Proportional to 18,534,867.60, 27,804,925.80 and 5,754,039.60

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Solution

The fourth proportional to 18,534,867.60, 27,804,925.80 and 5,754,039.60 is: 8,631,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,867.60 : 27,804,925.80 = 5,754,039.60 : x
  2. Step 2: Convert to fraction form
    18,534,867.60/27,804,925.80 = 5,754,039.60/x
  3. Step 3: Cross multiply
    18,534,867.60x = 27,804,925.80 × 5,754,039.60
  4. Step 4: Simplify right side
    18,534,867.60x = 159,990,644,128,261.69
  5. Step 5: Solve for x
    x = 159,990,644,128,261.69/18,534,867.60
  6. Step 6: Final answer
    x = 8,631,874.13

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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.