Home / 12,214,678.40-18,322,017.60-4,236,502.40

Finding the Fourth Proportional to 12,214,678.40, 18,322,017.60 and 4,236,502.40

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Solution

The fourth proportional to 12,214,678.40, 18,322,017.60 and 4,236,502.40 is: 6,354,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,678.40 : 18,322,017.60 = 4,236,502.40 : x
  2. Step 2: Convert to fraction form
    12,214,678.40/18,322,017.60 = 4,236,502.40/x
  3. Step 3: Cross multiply
    12,214,678.40x = 18,322,017.60 × 4,236,502.40
  4. Step 4: Simplify right side
    12,214,678.40x = 77,621,271,535,242.25
  5. Step 5: Solve for x
    x = 77,621,271,535,242.25/12,214,678.40
  6. Step 6: Final answer
    x = 6,354,753.60

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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.