Home / 9,906,988.74-13,658,987.79-6,416,159.28

Finding the Fourth Proportional to 9,906,988.74, 13,658,987.79 and 6,416,159.28

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Solution

The fourth proportional to 9,906,988.74, 13,658,987.79 and 6,416,159.28 is: 8,846,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,988.74 : 13,658,987.79 = 6,416,159.28 : x
  2. Step 2: Convert to fraction form
    9,906,988.74/13,658,987.79 = 6,416,159.28/x
  3. Step 3: Cross multiply
    9,906,988.74x = 13,658,987.79 × 6,416,159.28
  4. Step 4: Simplify right side
    9,906,988.74x = 87,638,241,264,215.19
  5. Step 5: Solve for x
    x = 87,638,241,264,215.19/9,906,988.74
  6. Step 6: Final answer
    x = 8,846,102.84

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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.