Home / 51,686,812.98-71,328,280.28-28,482,770.34

Finding the Fourth Proportional to 51,686,812.98, 71,328,280.28 and 28,482,770.34

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Solution

The fourth proportional to 51,686,812.98, 71,328,280.28 and 28,482,770.34 is: 39,306,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,812.98 : 71,328,280.28 = 28,482,770.34 : x
  2. Step 2: Convert to fraction form
    51,686,812.98/71,328,280.28 = 28,482,770.34/x
  3. Step 3: Cross multiply
    51,686,812.98x = 71,328,280.28 × 28,482,770.34
  4. Step 4: Simplify right side
    51,686,812.98x = 2,031,627,025,819,977.25
  5. Step 5: Solve for x
    x = 2,031,627,025,819,977.25/51,686,812.98
  6. Step 6: Final answer
    x = 39,306,486.68

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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.