Home / 31,457,433.40-47,187,831.62-9,893,716.60

Finding the Fourth Proportional to 31,457,433.40, 47,187,831.62 and 9,893,716.60

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Solution

The fourth proportional to 31,457,433.40, 47,187,831.62 and 9,893,716.60 is: 14,841,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457,433.40 : 47,187,831.62 = 9,893,716.60 : x
  2. Step 2: Convert to fraction form
    31,457,433.40/47,187,831.62 = 9,893,716.60/x
  3. Step 3: Cross multiply
    31,457,433.40x = 47,187,831.62 × 9,893,716.60
  4. Step 4: Simplify right side
    31,457,433.40x = 466,863,032,849,360.75
  5. Step 5: Solve for x
    x = 466,863,032,849,360.75/31,457,433.40
  6. Step 6: Final answer
    x = 14,841,103.75

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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.