Home / 7,660,850.88-10,572,048-4,223,215.20

Finding the Fourth Proportional to 7,660,850.88, 10,572,048 and 4,223,215.20

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Solution

The fourth proportional to 7,660,850.88, 10,572,048 and 4,223,215.20 is: 5,828,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660,850.88 : 10,572,048 = 4,223,215.20 : x
  2. Step 2: Convert to fraction form
    7,660,850.88/10,572,048 = 4,223,215.20/x
  3. Step 3: Cross multiply
    7,660,850.88x = 10,572,048 × 4,223,215.20
  4. Step 4: Simplify right side
    7,660,850.88x = 44,648,033,808,729.60
  5. Step 5: Solve for x
    x = 44,648,033,808,729.60/7,660,850.88
  6. Step 6: Final answer
    x = 5,828,077.65

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.