Home / 13,818,180.72-20,686,330.43-10,240,008.15

Finding the Fourth Proportional to 13,818,180.72, 20,686,330.43 and 10,240,008.15

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Solution

The fourth proportional to 13,818,180.72, 20,686,330.43 and 10,240,008.15 is: 15,329,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,180.72 : 20,686,330.43 = 10,240,008.15 : x
  2. Step 2: Convert to fraction form
    13,818,180.72/20,686,330.43 = 10,240,008.15/x
  3. Step 3: Cross multiply
    13,818,180.72x = 20,686,330.43 × 10,240,008.15
  4. Step 4: Simplify right side
    13,818,180.72x = 211,828,192,261,566.75
  5. Step 5: Solve for x
    x = 211,828,192,261,566.75/13,818,180.72
  6. Step 6: Final answer
    x = 15,329,673.02

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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.