Home / 12,423,482.64-18,636,220.40-4,336,279.20

Finding the Fourth Proportional to 12,423,482.64, 18,636,220.40 and 4,336,279.20

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Solution

The fourth proportional to 12,423,482.64, 18,636,220.40 and 4,336,279.20 is: 6,504,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,482.64 : 18,636,220.40 = 4,336,279.20 : x
  2. Step 2: Convert to fraction form
    12,423,482.64/18,636,220.40 = 4,336,279.20/x
  3. Step 3: Cross multiply
    12,423,482.64x = 18,636,220.40 × 4,336,279.20
  4. Step 4: Simplify right side
    12,423,482.64x = 80,811,854,865,454.28
  5. Step 5: Solve for x
    x = 80,811,854,865,454.28/12,423,482.64
  6. Step 6: Final answer
    x = 6,504,766.59

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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.