Home / 9,129,770.24-12,600,248.78-5,262,319.08

Finding the Fourth Proportional to 9,129,770.24, 12,600,248.78 and 5,262,319.08

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Solution

The fourth proportional to 9,129,770.24, 12,600,248.78 and 5,262,319.08 is: 7,262,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,770.24 : 12,600,248.78 = 5,262,319.08 : x
  2. Step 2: Convert to fraction form
    9,129,770.24/12,600,248.78 = 5,262,319.08/x
  3. Step 3: Cross multiply
    9,129,770.24x = 12,600,248.78 × 5,262,319.08
  4. Step 4: Simplify right side
    9,129,770.24x = 66,306,529,515,857.78
  5. Step 5: Solve for x
    x = 66,306,529,515,857.78/9,129,770.24
  6. Step 6: Final answer
    x = 7,262,672.31

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1.5x scale

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.