Home / 28,134,976.32-42,196,559.04-7,935,494.40

Finding the Fourth Proportional to 28,134,976.32, 42,196,559.04 and 7,935,494.40

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Solution

The fourth proportional to 28,134,976.32, 42,196,559.04 and 7,935,494.40 is: 11,901,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,976.32 : 42,196,559.04 = 7,935,494.40 : x
  2. Step 2: Convert to fraction form
    28,134,976.32/42,196,559.04 = 7,935,494.40/x
  3. Step 3: Cross multiply
    28,134,976.32x = 42,196,559.04 × 7,935,494.40
  4. Step 4: Simplify right side
    28,134,976.32x = 334,850,557,961,189.38
  5. Step 5: Solve for x
    x = 334,850,557,961,189.38/28,134,976.32
  6. Step 6: Final answer
    x = 11,901,575.97

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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.