Home / 27,925,781.40-41,888,672.10-19,316,437.20

Finding the Fourth Proportional to 27,925,781.40, 41,888,672.10 and 19,316,437.20

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Solution

The fourth proportional to 27,925,781.40, 41,888,672.10 and 19,316,437.20 is: 28,974,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925,781.40 : 41,888,672.10 = 19,316,437.20 : x
  2. Step 2: Convert to fraction form
    27,925,781.40/41,888,672.10 = 19,316,437.20/x
  3. Step 3: Cross multiply
    27,925,781.40x = 41,888,672.10 × 19,316,437.20
  4. Step 4: Simplify right side
    27,925,781.40x = 809,139,904,011,042.12
  5. Step 5: Solve for x
    x = 809,139,904,011,042.12/27,925,781.40
  6. Step 6: Final answer
    x = 28,974,655.80

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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.