Home / 8,126,720.64-11,212,603.20-6,402,488.64

Finding the Fourth Proportional to 8,126,720.64, 11,212,603.20 and 6,402,488.64

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Solution

The fourth proportional to 8,126,720.64, 11,212,603.20 and 6,402,488.64 is: 8,833,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,720.64 : 11,212,603.20 = 6,402,488.64 : x
  2. Step 2: Convert to fraction form
    8,126,720.64/11,212,603.20 = 6,402,488.64/x
  3. Step 3: Cross multiply
    8,126,720.64x = 11,212,603.20 × 6,402,488.64
  4. Step 4: Simplify right side
    8,126,720.64x = 71,788,564,612,827.64
  5. Step 5: Solve for x
    x = 71,788,564,612,827.64/8,126,720.64
  6. Step 6: Final answer
    x = 8,833,644.93

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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.