Home / 20,547,875.64-28,356,276.78-12,397,539

Finding the Fourth Proportional to 20,547,875.64, 28,356,276.78 and 12,397,539

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Solution

The fourth proportional to 20,547,875.64, 28,356,276.78 and 12,397,539 is: 17,108,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,875.64 : 28,356,276.78 = 12,397,539 : x
  2. Step 2: Convert to fraction form
    20,547,875.64/28,356,276.78 = 12,397,539/x
  3. Step 3: Cross multiply
    20,547,875.64x = 28,356,276.78 × 12,397,539
  4. Step 4: Simplify right side
    20,547,875.64x = 351,548,047,274,844.44
  5. Step 5: Solve for x
    x = 351,548,047,274,844.44/20,547,875.64
  6. Step 6: Final answer
    x = 17,108,729.56

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