Home / 12,948,807.70-19,423,211.55-4,426,311.70

Finding the Fourth Proportional to 12,948,807.70, 19,423,211.55 and 4,426,311.70

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Solution

The fourth proportional to 12,948,807.70, 19,423,211.55 and 4,426,311.70 is: 6,639,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,807.70 : 19,423,211.55 = 4,426,311.70 : x
  2. Step 2: Convert to fraction form
    12,948,807.70/19,423,211.55 = 4,426,311.70/x
  3. Step 3: Cross multiply
    12,948,807.70x = 19,423,211.55 × 4,426,311.70
  4. Step 4: Simplify right side
    12,948,807.70x = 85,973,188,535,340.14
  5. Step 5: Solve for x
    x = 85,973,188,535,340.14/12,948,807.70
  6. Step 6: Final answer
    x = 6,639,467.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.