Home / 7,390,393.20-10,199,603.07-6,147,808.52

Finding the Fourth Proportional to 7,390,393.20, 10,199,603.07 and 6,147,808.52

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Solution

The fourth proportional to 7,390,393.20, 10,199,603.07 and 6,147,808.52 is: 8,484,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,393.20 : 10,199,603.07 = 6,147,808.52 : x
  2. Step 2: Convert to fraction form
    7,390,393.20/10,199,603.07 = 6,147,808.52/x
  3. Step 3: Cross multiply
    7,390,393.20x = 10,199,603.07 × 6,147,808.52
  4. Step 4: Simplify right side
    7,390,393.20x = 62,705,206,603,366.14
  5. Step 5: Solve for x
    x = 62,705,206,603,366.14/7,390,393.20
  6. Step 6: Final answer
    x = 8,484,691.53

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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.