Home / 9,680,420.36-13,358,472.92-5,328,656.69

Finding the Fourth Proportional to 9,680,420.36, 13,358,472.92 and 5,328,656.69

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Solution

The fourth proportional to 9,680,420.36, 13,358,472.92 and 5,328,656.69 is: 7,353,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680,420.36 : 13,358,472.92 = 5,328,656.69 : x
  2. Step 2: Convert to fraction form
    9,680,420.36/13,358,472.92 = 5,328,656.69/x
  3. Step 3: Cross multiply
    9,680,420.36x = 13,358,472.92 × 5,328,656.69
  4. Step 4: Simplify right side
    9,680,420.36x = 71,182,716,019,888.64
  5. Step 5: Solve for x
    x = 71,182,716,019,888.64/9,680,420.36
  6. Step 6: Final answer
    x = 7,353,267.04

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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.