Home / 15,976,983.60-23,965,475.40-13,426,066.80

Finding the Fourth Proportional to 15,976,983.60, 23,965,475.40 and 13,426,066.80

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Solution

The fourth proportional to 15,976,983.60, 23,965,475.40 and 13,426,066.80 is: 20,139,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976,983.60 : 23,965,475.40 = 13,426,066.80 : x
  2. Step 2: Convert to fraction form
    15,976,983.60/23,965,475.40 = 13,426,066.80/x
  3. Step 3: Cross multiply
    15,976,983.60x = 23,965,475.40 × 13,426,066.80
  4. Step 4: Simplify right side
    15,976,983.60x = 321,762,073,614,156.69
  5. Step 5: Solve for x
    x = 321,762,073,614,156.69/15,976,983.60
  6. Step 6: Final answer
    x = 20,139,100.20

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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.