Home / 19,034,921.45-28,553,489.72-5,386,926.08

Finding the Fourth Proportional to 19,034,921.45, 28,553,489.72 and 5,386,926.08

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Solution

The fourth proportional to 19,034,921.45, 28,553,489.72 and 5,386,926.08 is: 8,080,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034,921.45 : 28,553,489.72 = 5,386,926.08 : x
  2. Step 2: Convert to fraction form
    19,034,921.45/28,553,489.72 = 5,386,926.08/x
  3. Step 3: Cross multiply
    19,034,921.45x = 28,553,489.72 × 5,386,926.08
  4. Step 4: Simplify right side
    19,034,921.45x = 153,815,538,277,977.81
  5. Step 5: Solve for x
    x = 153,815,538,277,977.81/19,034,921.45
  6. Step 6: Final answer
    x = 8,080,702.55

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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.