Home / 9,480,549.76-13,083,065.38-5,129,540.56

Finding the Fourth Proportional to 9,480,549.76, 13,083,065.38 and 5,129,540.56

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Solution

The fourth proportional to 9,480,549.76, 13,083,065.38 and 5,129,540.56 is: 7,078,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480,549.76 : 13,083,065.38 = 5,129,540.56 : x
  2. Step 2: Convert to fraction form
    9,480,549.76/13,083,065.38 = 5,129,540.56/x
  3. Step 3: Cross multiply
    9,480,549.76x = 13,083,065.38 × 5,129,540.56
  4. Step 4: Simplify right side
    9,480,549.76x = 67,110,114,515,841.81
  5. Step 5: Solve for x
    x = 67,110,114,515,841.81/9,480,549.76
  6. Step 6: Final answer
    x = 7,078,715.50

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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.