Home / 12,349,298.40-18,523,947.60-5,617,712.40

Finding the Fourth Proportional to 12,349,298.40, 18,523,947.60 and 5,617,712.40

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Solution

The fourth proportional to 12,349,298.40, 18,523,947.60 and 5,617,712.40 is: 8,426,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,298.40 : 18,523,947.60 = 5,617,712.40 : x
  2. Step 2: Convert to fraction form
    12,349,298.40/18,523,947.60 = 5,617,712.40/x
  3. Step 3: Cross multiply
    12,349,298.40x = 18,523,947.60 × 5,617,712.40
  4. Step 4: Simplify right side
    12,349,298.40x = 104,062,210,129,470.25
  5. Step 5: Solve for x
    x = 104,062,210,129,470.25/12,349,298.40
  6. Step 6: Final answer
    x = 8,426,568.60

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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.