Home / 10,370,411.20-15,555,616.80-6,586,609.60

Finding the Fourth Proportional to 10,370,411.20, 15,555,616.80 and 6,586,609.60

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Solution

The fourth proportional to 10,370,411.20, 15,555,616.80 and 6,586,609.60 is: 9,879,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,411.20 : 15,555,616.80 = 6,586,609.60 : x
  2. Step 2: Convert to fraction form
    10,370,411.20/15,555,616.80 = 6,586,609.60/x
  3. Step 3: Cross multiply
    10,370,411.20x = 15,555,616.80 × 6,586,609.60
  4. Step 4: Simplify right side
    10,370,411.20x = 102,458,774,948,801.28
  5. Step 5: Solve for x
    x = 102,458,774,948,801.28/10,370,411.20
  6. Step 6: Final answer
    x = 9,879,914.40

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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.