Home / 37,786,685.40-56,680,028.10-12,230,278.20

Finding the Fourth Proportional to 37,786,685.40, 56,680,028.10 and 12,230,278.20

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Solution

The fourth proportional to 37,786,685.40, 56,680,028.10 and 12,230,278.20 is: 18,345,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786,685.40 : 56,680,028.10 = 12,230,278.20 : x
  2. Step 2: Convert to fraction form
    37,786,685.40/56,680,028.10 = 12,230,278.20/x
  3. Step 3: Cross multiply
    37,786,685.40x = 56,680,028.10 × 12,230,278.20
  4. Step 4: Simplify right side
    37,786,685.40x = 693,212,512,046,817.38
  5. Step 5: Solve for x
    x = 693,212,512,046,817.38/37,786,685.40
  6. Step 6: Final answer
    x = 18,345,417.30

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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.