Home / 51,686,813.56-71,328,281.06-28,482,770.92

Finding the Fourth Proportional to 51,686,813.56, 71,328,281.06 and 28,482,770.92

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Solution

The fourth proportional to 51,686,813.56, 71,328,281.06 and 28,482,770.92 is: 39,306,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,813.56 : 71,328,281.06 = 28,482,770.92 : x
  2. Step 2: Convert to fraction form
    51,686,813.56/71,328,281.06 = 28,482,770.92/x
  3. Step 3: Cross multiply
    51,686,813.56x = 71,328,281.06 × 28,482,770.92
  4. Step 4: Simplify right side
    51,686,813.56x = 2,031,627,089,549,355
  5. Step 5: Solve for x
    x = 2,031,627,089,549,355/51,686,813.56
  6. Step 6: Final answer
    x = 39,306,487.47

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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.