Home / 13,799,075.33-20,675,730.76-8,391,367.91

Finding the Fourth Proportional to 13,799,075.33, 20,675,730.76 and 8,391,367.91

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Solution

The fourth proportional to 13,799,075.33, 20,675,730.76 and 8,391,367.91 is: 12,573,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,075.33 : 20,675,730.76 = 8,391,367.91 : x
  2. Step 2: Convert to fraction form
    13,799,075.33/20,675,730.76 = 8,391,367.91/x
  3. Step 3: Cross multiply
    13,799,075.33x = 20,675,730.76 × 8,391,367.91
  4. Step 4: Simplify right side
    13,799,075.33x = 173,497,663,615,263.94
  5. Step 5: Solve for x
    x = 173,497,663,615,263.94/13,799,075.33
  6. Step 6: Final answer
    x = 12,573,136.93

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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.