Home / 28,136,807.28-42,205,145.31-18,482,361.39

Finding the Fourth Proportional to 28,136,807.28, 42,205,145.31 and 18,482,361.39

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Solution

The fourth proportional to 28,136,807.28, 42,205,145.31 and 18,482,361.39 is: 27,723,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,807.28 : 42,205,145.31 = 18,482,361.39 : x
  2. Step 2: Convert to fraction form
    28,136,807.28/42,205,145.31 = 18,482,361.39/x
  3. Step 3: Cross multiply
    28,136,807.28x = 42,205,145.31 × 18,482,361.39
  4. Step 4: Simplify right side
    28,136,807.28x = 780,050,748,136,883.62
  5. Step 5: Solve for x
    x = 780,050,748,136,883.62/28,136,807.28
  6. Step 6: Final answer
    x = 27,723,498.99

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