Home / 9,989,389.32-13,780,960.56-5,857,322.28

Finding the Fourth Proportional to 9,989,389.32, 13,780,960.56 and 5,857,322.28

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Solution

The fourth proportional to 9,989,389.32, 13,780,960.56 and 5,857,322.28 is: 8,080,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,389.32 : 13,780,960.56 = 5,857,322.28 : x
  2. Step 2: Convert to fraction form
    9,989,389.32/13,780,960.56 = 5,857,322.28/x
  3. Step 3: Cross multiply
    9,989,389.32x = 13,780,960.56 × 5,857,322.28
  4. Step 4: Simplify right side
    9,989,389.32x = 80,719,527,327,889.28
  5. Step 5: Solve for x
    x = 80,719,527,327,889.28/9,989,389.32
  6. Step 6: Final answer
    x = 8,080,526.72

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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.