Home / 15,507,300.96-21,399,723.72-9,709,282.08

Finding the Fourth Proportional to 15,507,300.96, 21,399,723.72 and 9,709,282.08

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Solution

The fourth proportional to 15,507,300.96, 21,399,723.72 and 9,709,282.08 is: 13,398,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507,300.96 : 21,399,723.72 = 9,709,282.08 : x
  2. Step 2: Convert to fraction form
    15,507,300.96/21,399,723.72 = 9,709,282.08/x
  3. Step 3: Cross multiply
    15,507,300.96x = 21,399,723.72 × 9,709,282.08
  4. Step 4: Simplify right side
    15,507,300.96x = 207,775,954,031,546.94
  5. Step 5: Solve for x
    x = 207,775,954,031,546.94/15,507,300.96
  6. Step 6: Final answer
    x = 13,398,589.13

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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.