Home / 9,178,235.85-12,665,990.78-5,048,690.20

Finding the Fourth Proportional to 9,178,235.85, 12,665,990.78 and 5,048,690.20

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Solution

The fourth proportional to 9,178,235.85, 12,665,990.78 and 5,048,690.20 is: 6,967,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,235.85 : 12,665,990.78 = 5,048,690.20 : x
  2. Step 2: Convert to fraction form
    9,178,235.85/12,665,990.78 = 5,048,690.20/x
  3. Step 3: Cross multiply
    9,178,235.85x = 12,665,990.78 × 5,048,690.20
  4. Step 4: Simplify right side
    9,178,235.85x = 63,946,663,524,276.35
  5. Step 5: Solve for x
    x = 63,946,663,524,276.35/9,178,235.85
  6. Step 6: Final answer
    x = 6,967,206.40

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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.