Home / 9,987,322.68-13,782,505.28-5,403,644.01

Finding the Fourth Proportional to 9,987,322.68, 13,782,505.28 and 5,403,644.01

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Solution

The fourth proportional to 9,987,322.68, 13,782,505.28 and 5,403,644.01 is: 7,457,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,322.68 : 13,782,505.28 = 5,403,644.01 : x
  2. Step 2: Convert to fraction form
    9,987,322.68/13,782,505.28 = 5,403,644.01/x
  3. Step 3: Cross multiply
    9,987,322.68x = 13,782,505.28 × 5,403,644.01
  4. Step 4: Simplify right side
    9,987,322.68x = 74,475,752,072,047.16
  5. Step 5: Solve for x
    x = 74,475,752,072,047.16/9,987,322.68
  6. Step 6: Final answer
    x = 7,457,028.72

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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.