Home / 19,561,330.20-29,341,995.30-12,286,493.40

Finding the Fourth Proportional to 19,561,330.20, 29,341,995.30 and 12,286,493.40

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Solution

The fourth proportional to 19,561,330.20, 29,341,995.30 and 12,286,493.40 is: 18,429,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,330.20 : 29,341,995.30 = 12,286,493.40 : x
  2. Step 2: Convert to fraction form
    19,561,330.20/29,341,995.30 = 12,286,493.40/x
  3. Step 3: Cross multiply
    19,561,330.20x = 29,341,995.30 × 12,286,493.40
  4. Step 4: Simplify right side
    19,561,330.20x = 360,510,231,596,281.06
  5. Step 5: Solve for x
    x = 360,510,231,596,281.06/19,561,330.20
  6. Step 6: Final answer
    x = 18,429,740.10

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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.