Home / 15,552,643.80-23,328,965.70-8,722,205.40

Finding the Fourth Proportional to 15,552,643.80, 23,328,965.70 and 8,722,205.40

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Solution

The fourth proportional to 15,552,643.80, 23,328,965.70 and 8,722,205.40 is: 13,083,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,643.80 : 23,328,965.70 = 8,722,205.40 : x
  2. Step 2: Convert to fraction form
    15,552,643.80/23,328,965.70 = 8,722,205.40/x
  3. Step 3: Cross multiply
    15,552,643.80x = 23,328,965.70 × 8,722,205.40
  4. Step 4: Simplify right side
    15,552,643.80x = 203,480,030,604,954.78
  5. Step 5: Solve for x
    x = 203,480,030,604,954.78/15,552,643.80
  6. Step 6: Final answer
    x = 13,083,308.10

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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.