Home / 15,554,422.80-23,331,634.20-12,720,070.80

Finding the Fourth Proportional to 15,554,422.80, 23,331,634.20 and 12,720,070.80

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Solution

The fourth proportional to 15,554,422.80, 23,331,634.20 and 12,720,070.80 is: 19,080,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,422.80 : 23,331,634.20 = 12,720,070.80 : x
  2. Step 2: Convert to fraction form
    15,554,422.80/23,331,634.20 = 12,720,070.80/x
  3. Step 3: Cross multiply
    15,554,422.80x = 23,331,634.20 × 12,720,070.80
  4. Step 4: Simplify right side
    15,554,422.80x = 296,780,038,903,701.38
  5. Step 5: Solve for x
    x = 296,780,038,903,701.38/15,554,422.80
  6. Step 6: Final answer
    x = 19,080,106.20

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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.