Home / 15,190,426.40-22,785,639.60-9,218,458.40

Finding the Fourth Proportional to 15,190,426.40, 22,785,639.60 and 9,218,458.40

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Solution

The fourth proportional to 15,190,426.40, 22,785,639.60 and 9,218,458.40 is: 13,827,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190,426.40 : 22,785,639.60 = 9,218,458.40 : x
  2. Step 2: Convert to fraction form
    15,190,426.40/22,785,639.60 = 9,218,458.40/x
  3. Step 3: Cross multiply
    15,190,426.40x = 22,785,639.60 × 9,218,458.40
  4. Step 4: Simplify right side
    15,190,426.40x = 210,048,470,769,992.66
  5. Step 5: Solve for x
    x = 210,048,470,769,992.66/15,190,426.40
  6. Step 6: Final answer
    x = 13,827,687.60

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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.