Home / 12,462,318.40-18,693,477.60-5,743,854.40

Finding the Fourth Proportional to 12,462,318.40, 18,693,477.60 and 5,743,854.40

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Solution

The fourth proportional to 12,462,318.40, 18,693,477.60 and 5,743,854.40 is: 8,615,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,318.40 : 18,693,477.60 = 5,743,854.40 : x
  2. Step 2: Convert to fraction form
    12,462,318.40/18,693,477.60 = 5,743,854.40/x
  3. Step 3: Cross multiply
    12,462,318.40x = 18,693,477.60 × 5,743,854.40
  4. Step 4: Simplify right side
    12,462,318.40x = 107,372,613,564,061.45
  5. Step 5: Solve for x
    x = 107,372,613,564,061.45/12,462,318.40
  6. Step 6: Final answer
    x = 8,615,781.60

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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.