Home / 9,906,990.64-13,671,746.12-5,555,983.53

Finding the Fourth Proportional to 9,906,990.64, 13,671,746.12 and 5,555,983.53

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Solution

The fourth proportional to 9,906,990.64, 13,671,746.12 and 5,555,983.53 is: 7,667,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,990.64 : 13,671,746.12 = 5,555,983.53 : x
  2. Step 2: Convert to fraction form
    9,906,990.64/13,671,746.12 = 5,555,983.53/x
  3. Step 3: Cross multiply
    9,906,990.64x = 13,671,746.12 × 5,555,983.53
  4. Step 4: Simplify right side
    9,906,990.64x = 75,959,996,241,281.48
  5. Step 5: Solve for x
    x = 75,959,996,241,281.48/9,906,990.64
  6. Step 6: Final answer
    x = 7,667,312.81

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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.