Home / 20,598,307.95-28,425,259.01-11,657,252.57

Finding the Fourth Proportional to 20,598,307.95, 28,425,259.01 and 11,657,252.57

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Solution

The fourth proportional to 20,598,307.95, 28,425,259.01 and 11,657,252.57 is: 16,086,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598,307.95 : 28,425,259.01 = 11,657,252.57 : x
  2. Step 2: Convert to fraction form
    20,598,307.95/28,425,259.01 = 11,657,252.57/x
  3. Step 3: Cross multiply
    20,598,307.95x = 28,425,259.01 × 11,657,252.57
  4. Step 4: Simplify right side
    20,598,307.95x = 331,360,423,757,705.56
  5. Step 5: Solve for x
    x = 331,360,423,757,705.56/20,598,307.95
  6. Step 6: Final answer
    x = 16,086,778.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.