Home / 9,917,944.32-13,687,699.86-5,787,641.64

Finding the Fourth Proportional to 9,917,944.32, 13,687,699.86 and 5,787,641.64

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Solution

The fourth proportional to 9,917,944.32, 13,687,699.86 and 5,787,641.64 is: 7,987,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917,944.32 : 13,687,699.86 = 5,787,641.64 : x
  2. Step 2: Convert to fraction form
    9,917,944.32/13,687,699.86 = 5,787,641.64/x
  3. Step 3: Cross multiply
    9,917,944.32x = 13,687,699.86 × 5,787,641.64
  4. Step 4: Simplify right side
    9,917,944.32x = 79,219,501,665,558.16
  5. Step 5: Solve for x
    x = 79,219,501,665,558.16/9,917,944.32
  6. Step 6: Final answer
    x = 7,987,492.08

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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.