Home / 31,185,681.28-46,774,947.96-8,158,837.90

Finding the Fourth Proportional to 31,185,681.28, 46,774,947.96 and 8,158,837.90

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Solution

The fourth proportional to 31,185,681.28, 46,774,947.96 and 8,158,837.90 is: 12,237,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185,681.28 : 46,774,947.96 = 8,158,837.90 : x
  2. Step 2: Convert to fraction form
    31,185,681.28/46,774,947.96 = 8,158,837.90/x
  3. Step 3: Cross multiply
    31,185,681.28x = 46,774,947.96 × 8,158,837.90
  4. Step 4: Simplify right side
    31,185,681.28x = 381,629,218,186,575.69
  5. Step 5: Solve for x
    x = 381,629,218,186,575.69/31,185,681.28
  6. Step 6: Final answer
    x = 12,237,321.83

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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.