Home / 13,127,882.16-19,681,626.96-8,507,107.20

Finding the Fourth Proportional to 13,127,882.16, 19,681,626.96 and 8,507,107.20

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Solution

The fourth proportional to 13,127,882.16, 19,681,626.96 and 8,507,107.20 is: 12,754,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127,882.16 : 19,681,626.96 = 8,507,107.20 : x
  2. Step 2: Convert to fraction form
    13,127,882.16/19,681,626.96 = 8,507,107.20/x
  3. Step 3: Cross multiply
    13,127,882.16x = 19,681,626.96 × 8,507,107.20
  4. Step 4: Simplify right side
    13,127,882.16x = 167,433,710,419,130.09
  5. Step 5: Solve for x
    x = 167,433,710,419,130.09/13,127,882.16
  6. Step 6: Final answer
    x = 12,754,053.42

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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.