Home / 13,137,033.90-19,720,296.45-10,158,422.70

Finding the Fourth Proportional to 13,137,033.90, 19,720,296.45 and 10,158,422.70

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Solution

The fourth proportional to 13,137,033.90, 19,720,296.45 and 10,158,422.70 is: 15,249,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,033.90 : 19,720,296.45 = 10,158,422.70 : x
  2. Step 2: Convert to fraction form
    13,137,033.90/19,720,296.45 = 10,158,422.70/x
  3. Step 3: Cross multiply
    13,137,033.90x = 19,720,296.45 × 10,158,422.70
  4. Step 4: Simplify right side
    13,137,033.90x = 200,327,107,108,409.41
  5. Step 5: Solve for x
    x = 200,327,107,108,409.41/13,137,033.90
  6. Step 6: Final answer
    x = 15,249,036.32

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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.