Home / 55,231,386.88-82,855,592.98-18,831,264.57

Finding the Fourth Proportional to 55,231,386.88, 82,855,592.98 and 18,831,264.57

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Solution

The fourth proportional to 55,231,386.88, 82,855,592.98 and 18,831,264.57 is: 28,249,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231,386.88 : 82,855,592.98 = 18,831,264.57 : x
  2. Step 2: Convert to fraction form
    55,231,386.88/82,855,592.98 = 18,831,264.57/x
  3. Step 3: Cross multiply
    55,231,386.88x = 82,855,592.98 × 18,831,264.57
  4. Step 4: Simplify right side
    55,231,386.88x = 1,560,275,592,570,368.50
  5. Step 5: Solve for x
    x = 1,560,275,592,570,368.50/55,231,386.88
  6. Step 6: Final answer
    x = 28,249,799.27

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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.