Home / 9,788,712.15-13,512,060.51-8,406,505.47

Finding the Fourth Proportional to 9,788,712.15, 13,512,060.51 and 8,406,505.47

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Solution

The fourth proportional to 9,788,712.15, 13,512,060.51 and 8,406,505.47 is: 11,604,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,712.15 : 13,512,060.51 = 8,406,505.47 : x
  2. Step 2: Convert to fraction form
    9,788,712.15/13,512,060.51 = 8,406,505.47/x
  3. Step 3: Cross multiply
    9,788,712.15x = 13,512,060.51 × 8,406,505.47
  4. Step 4: Simplify right side
    9,788,712.15x = 113,589,210,588,286
  5. Step 5: Solve for x
    x = 113,589,210,588,286/9,788,712.15
  6. Step 6: Final answer
    x = 11,604,101.63

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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.