Home / 7,152,039.20-10,728,058.80-2,663,386.40

Finding the Fourth Proportional to 7,152,039.20, 10,728,058.80 and 2,663,386.40

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Solution

The fourth proportional to 7,152,039.20, 10,728,058.80 and 2,663,386.40 is: 3,995,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,039.20 : 10,728,058.80 = 2,663,386.40 : x
  2. Step 2: Convert to fraction form
    7,152,039.20/10,728,058.80 = 2,663,386.40/x
  3. Step 3: Cross multiply
    7,152,039.20x = 10,728,058.80 × 2,663,386.40
  4. Step 4: Simplify right side
    7,152,039.20x = 28,572,965,906,320.32
  5. Step 5: Solve for x
    x = 28,572,965,906,320.32/7,152,039.20
  6. Step 6: Final answer
    x = 3,995,079.60

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