Home / 9,666,278.49-13,339,806.74-5,315,695.83

Finding the Fourth Proportional to 9,666,278.49, 13,339,806.74 and 5,315,695.83

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Solution

The fourth proportional to 9,666,278.49, 13,339,806.74 and 5,315,695.83 is: 7,335,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666,278.49 : 13,339,806.74 = 5,315,695.83 : x
  2. Step 2: Convert to fraction form
    9,666,278.49/13,339,806.74 = 5,315,695.83/x
  3. Step 3: Cross multiply
    9,666,278.49x = 13,339,806.74 × 5,315,695.83
  4. Step 4: Simplify right side
    9,666,278.49x = 70,910,355,060,823.89
  5. Step 5: Solve for x
    x = 70,910,355,060,823.89/9,666,278.49
  6. Step 6: Final answer
    x = 7,335,848.55

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Double scale
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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.