Home / 28,017,717.86-41,987,070.75-13,230,034.70

Finding the Fourth Proportional to 28,017,717.86, 41,987,070.75 and 13,230,034.70

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Solution

The fourth proportional to 28,017,717.86, 41,987,070.75 and 13,230,034.70 is: 19,826,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017,717.86 : 41,987,070.75 = 13,230,034.70 : x
  2. Step 2: Convert to fraction form
    28,017,717.86/41,987,070.75 = 13,230,034.70/x
  3. Step 3: Cross multiply
    28,017,717.86x = 41,987,070.75 × 13,230,034.70
  4. Step 4: Simplify right side
    28,017,717.86x = 555,490,402,763,919.69
  5. Step 5: Solve for x
    x = 555,490,402,763,919.69/28,017,717.86
  6. Step 6: Final answer
    x = 19,826,397.20

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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.