Home / 18,536,428.80-27,823,305.60-8,959,507.20

Finding the Fourth Proportional to 18,536,428.80, 27,823,305.60 and 8,959,507.20

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Solution

The fourth proportional to 18,536,428.80, 27,823,305.60 and 8,959,507.20 is: 13,448,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,428.80 : 27,823,305.60 = 8,959,507.20 : x
  2. Step 2: Convert to fraction form
    18,536,428.80/27,823,305.60 = 8,959,507.20/x
  3. Step 3: Cross multiply
    18,536,428.80x = 27,823,305.60 × 8,959,507.20
  4. Step 4: Simplify right side
    18,536,428.80x = 249,283,106,851,000.31
  5. Step 5: Solve for x
    x = 249,283,106,851,000.31/18,536,428.80
  6. Step 6: Final answer
    x = 13,448,281.19

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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.