Home / 7,020,137.10-10,530,205.65-1,971,612.30

Finding the Fourth Proportional to 7,020,137.10, 10,530,205.65 and 1,971,612.30

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Solution

The fourth proportional to 7,020,137.10, 10,530,205.65 and 1,971,612.30 is: 2,957,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,137.10 : 10,530,205.65 = 1,971,612.30 : x
  2. Step 2: Convert to fraction form
    7,020,137.10/10,530,205.65 = 1,971,612.30/x
  3. Step 3: Cross multiply
    7,020,137.10x = 10,530,205.65 × 1,971,612.30
  4. Step 4: Simplify right side
    7,020,137.10x = 20,761,482,981,069.50
  5. Step 5: Solve for x
    x = 20,761,482,981,069.50/7,020,137.10
  6. Step 6: Final answer
    x = 2,957,418.45

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Double scale
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Similar ratio
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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.