Home / 13,023,966.50-17,973,073.77-7,223,636.42

Finding the Fourth Proportional to 13,023,966.50, 17,973,073.77 and 7,223,636.42

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Solution

The fourth proportional to 13,023,966.50, 17,973,073.77 and 7,223,636.42 is: 9,968,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,966.50 : 17,973,073.77 = 7,223,636.42 : x
  2. Step 2: Convert to fraction form
    13,023,966.50/17,973,073.77 = 7,223,636.42/x
  3. Step 3: Cross multiply
    13,023,966.50x = 17,973,073.77 × 7,223,636.42
  4. Step 4: Simplify right side
    13,023,966.50x = 129,830,950,264,318.70
  5. Step 5: Solve for x
    x = 129,830,950,264,318.70/13,023,966.50
  6. Step 6: Final answer
    x = 9,968,618.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.