Home / 9,719,481.64-13,412,820.90-5,368,848.52

Finding the Fourth Proportional to 9,719,481.64, 13,412,820.90 and 5,368,848.52

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Solution

The fourth proportional to 9,719,481.64, 13,412,820.90 and 5,368,848.52 is: 7,408,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719,481.64 : 13,412,820.90 = 5,368,848.52 : x
  2. Step 2: Convert to fraction form
    9,719,481.64/13,412,820.90 = 5,368,848.52/x
  3. Step 3: Cross multiply
    9,719,481.64x = 13,412,820.90 × 5,368,848.52
  4. Step 4: Simplify right side
    9,719,481.64x = 72,011,403,637,990.06
  5. Step 5: Solve for x
    x = 72,011,403,637,990.06/9,719,481.64
  6. Step 6: Final answer
    x = 7,408,975.74

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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.