Home / 13,011,237.16-17,955,614.24-7,210,115.78

Finding the Fourth Proportional to 13,011,237.16, 17,955,614.24 and 7,210,115.78

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Solution

The fourth proportional to 13,011,237.16, 17,955,614.24 and 7,210,115.78 is: 9,950,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,237.16 : 17,955,614.24 = 7,210,115.78 : x
  2. Step 2: Convert to fraction form
    13,011,237.16/17,955,614.24 = 7,210,115.78/x
  3. Step 3: Cross multiply
    13,011,237.16x = 17,955,614.24 × 7,210,115.78
  4. Step 4: Simplify right side
    13,011,237.16x = 129,462,057,571,416.70
  5. Step 5: Solve for x
    x = 129,462,057,571,416.70/13,011,237.16
  6. Step 6: Final answer
    x = 9,950,019.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.