Home / 9,987,475.26-13,782,715.65-5,403,796.64

Finding the Fourth Proportional to 9,987,475.26, 13,782,715.65 and 5,403,796.64

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Solution

The fourth proportional to 9,987,475.26, 13,782,715.65 and 5,403,796.64 is: 7,457,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,475.26 : 13,782,715.65 = 5,403,796.64 : x
  2. Step 2: Convert to fraction form
    9,987,475.26/13,782,715.65 = 5,403,796.64/x
  3. Step 3: Cross multiply
    9,987,475.26x = 13,782,715.65 × 5,403,796.64
  4. Step 4: Simplify right side
    9,987,475.26x = 74,478,992,423,612.84
  5. Step 5: Solve for x
    x = 74,478,992,423,612.84/9,987,475.26
  6. Step 6: Final answer
    x = 7,457,239.24

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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.