Home / 10,191,920.40-15,287,880.60-4,126,640.40

Finding the Fourth Proportional to 10,191,920.40, 15,287,880.60 and 4,126,640.40

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Solution

The fourth proportional to 10,191,920.40, 15,287,880.60 and 4,126,640.40 is: 6,189,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191,920.40 : 15,287,880.60 = 4,126,640.40 : x
  2. Step 2: Convert to fraction form
    10,191,920.40/15,287,880.60 = 4,126,640.40/x
  3. Step 3: Cross multiply
    10,191,920.40x = 15,287,880.60 × 4,126,640.40
  4. Step 4: Simplify right side
    10,191,920.40x = 63,087,585,714,336.23
  5. Step 5: Solve for x
    x = 63,087,585,714,336.23/10,191,920.40
  6. Step 6: Final answer
    x = 6,189,960.60

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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.