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Finding the Fourth Proportional to 31,897,978.80, 47,842,302.60 and 9,176,506.80

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Solution

The fourth proportional to 31,897,978.80, 47,842,302.60 and 9,176,506.80 is: 13,763,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897,978.80 : 47,842,302.60 = 9,176,506.80 : x
  2. Step 2: Convert to fraction form
    31,897,978.80/47,842,302.60 = 9,176,506.80/x
  3. Step 3: Cross multiply
    31,897,978.80x = 47,842,302.60 × 9,176,506.80
  4. Step 4: Simplify right side
    31,897,978.80x = 439,025,215,136,557.75
  5. Step 5: Solve for x
    x = 439,025,215,136,557.75/31,897,978.80
  6. Step 6: Final answer
    x = 13,763,417.99

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