Home / 84,406,026.78-126,606,678.12-26,901,748.62

Finding the Fourth Proportional to 84,406,026.78, 126,606,678.12 and 26,901,748.62

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Solution

The fourth proportional to 84,406,026.78, 126,606,678.12 and 26,901,748.62 is: 40,351,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,406,026.78 : 126,606,678.12 = 26,901,748.62 : x
  2. Step 2: Convert to fraction form
    84,406,026.78/126,606,678.12 = 26,901,748.62/x
  3. Step 3: Cross multiply
    84,406,026.78x = 126,606,678.12 × 26,901,748.62
  4. Step 4: Simplify right side
    84,406,026.78x = 3,405,941,028,397,494.50
  5. Step 5: Solve for x
    x = 3,405,941,028,397,494.50/84,406,026.78
  6. Step 6: Final answer
    x = 40,351,870.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.