Home / 15,971,029.20-23,956,543.80-12,191,893.20

Finding the Fourth Proportional to 15,971,029.20, 23,956,543.80 and 12,191,893.20

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Solution

The fourth proportional to 15,971,029.20, 23,956,543.80 and 12,191,893.20 is: 18,287,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971,029.20 : 23,956,543.80 = 12,191,893.20 : x
  2. Step 2: Convert to fraction form
    15,971,029.20/23,956,543.80 = 12,191,893.20/x
  3. Step 3: Cross multiply
    15,971,029.20x = 23,956,543.80 × 12,191,893.20
  4. Step 4: Simplify right side
    15,971,029.20x = 292,075,623,450,722.12
  5. Step 5: Solve for x
    x = 292,075,623,450,722.12/15,971,029.20
  6. Step 6: Final answer
    x = 18,287,839.80

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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.