Home / 28,376,677.23-42,565,016.41-6,811,278.92

Finding the Fourth Proportional to 28,376,677.23, 42,565,016.41 and 6,811,278.92

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Solution

The fourth proportional to 28,376,677.23, 42,565,016.41 and 6,811,278.92 is: 10,216,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,677.23 : 42,565,016.41 = 6,811,278.92 : x
  2. Step 2: Convert to fraction form
    28,376,677.23/42,565,016.41 = 6,811,278.92/x
  3. Step 3: Cross multiply
    28,376,677.23x = 42,565,016.41 × 6,811,278.92
  4. Step 4: Simplify right side
    28,376,677.23x = 289,922,199,002,887.06
  5. Step 5: Solve for x
    x = 289,922,199,002,887.06/28,376,677.23
  6. Step 6: Final answer
    x = 10,216,918.52

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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.