Home / 13,127,898.38-19,681,649.04-8,507,123.38

Finding the Fourth Proportional to 13,127,898.38, 19,681,649.04 and 8,507,123.38

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Solution

The fourth proportional to 13,127,898.38, 19,681,649.04 and 8,507,123.38 is: 12,754,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,898.38 : 19,681,649.04 = 8,507,123.38 : x
  2. Step 2: Convert to fraction form
    13,127,898.38/19,681,649.04 = 8,507,123.38/x
  3. Step 3: Cross multiply
    13,127,898.38x = 19,681,649.04 × 8,507,123.38
  4. Step 4: Simplify right side
    13,127,898.38x = 167,434,216,705,138.56
  5. Step 5: Solve for x
    x = 167,434,216,705,138.56/13,127,898.38
  6. Step 6: Final answer
    x = 12,754,076.23

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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.