Home / 15,128,940-20,877,937.20-9,696,432

Finding the Fourth Proportional to 15,128,940, 20,877,937.20 and 9,696,432

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Solution

The fourth proportional to 15,128,940, 20,877,937.20 and 9,696,432 is: 13,381,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128,940 : 20,877,937.20 = 9,696,432 : x
  2. Step 2: Convert to fraction form
    15,128,940/20,877,937.20 = 9,696,432/x
  3. Step 3: Cross multiply
    15,128,940x = 20,877,937.20 × 9,696,432
  4. Step 4: Simplify right side
    15,128,940x = 202,441,498,360,070.41
  5. Step 5: Solve for x
    x = 202,441,498,360,070.41/15,128,940
  6. Step 6: Final answer
    x = 13,381,076.16

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