Home / 12,395,416.20-18,593,124.30-8,781,617.40

Finding the Fourth Proportional to 12,395,416.20, 18,593,124.30 and 8,781,617.40

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Solution

The fourth proportional to 12,395,416.20, 18,593,124.30 and 8,781,617.40 is: 13,172,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,416.20 : 18,593,124.30 = 8,781,617.40 : x
  2. Step 2: Convert to fraction form
    12,395,416.20/18,593,124.30 = 8,781,617.40/x
  3. Step 3: Cross multiply
    12,395,416.20x = 18,593,124.30 × 8,781,617.40
  4. Step 4: Simplify right side
    12,395,416.20x = 163,277,703,873,242.84
  5. Step 5: Solve for x
    x = 163,277,703,873,242.84/12,395,416.20
  6. Step 6: Final answer
    x = 13,172,426.10

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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.