Home / 31,422,967.31-47,141,235.24-9,565,055.78

Finding the Fourth Proportional to 31,422,967.31, 47,141,235.24 and 9,565,055.78

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Solution

The fourth proportional to 31,422,967.31, 47,141,235.24 and 9,565,055.78 is: 14,349,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422,967.31 : 47,141,235.24 = 9,565,055.78 : x
  2. Step 2: Convert to fraction form
    31,422,967.31/47,141,235.24 = 9,565,055.78/x
  3. Step 3: Cross multiply
    31,422,967.31x = 47,141,235.24 × 9,565,055.78
  4. Step 4: Simplify right side
    31,422,967.31x = 450,908,544,608,701.69
  5. Step 5: Solve for x
    x = 450,908,544,608,701.69/31,422,967.31
  6. Step 6: Final answer
    x = 14,349,648.78

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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.