Home / 19,117,551.60-28,672,342.20-6,992,726.40

Finding the Fourth Proportional to 19,117,551.60, 28,672,342.20 and 6,992,726.40

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Solution

The fourth proportional to 19,117,551.60, 28,672,342.20 and 6,992,726.40 is: 10,487,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117,551.60 : 28,672,342.20 = 6,992,726.40 : x
  2. Step 2: Convert to fraction form
    19,117,551.60/28,672,342.20 = 6,992,726.40/x
  3. Step 3: Cross multiply
    19,117,551.60x = 28,672,342.20 × 6,992,726.40
  4. Step 4: Simplify right side
    19,117,551.60x = 200,497,844,251,774.09
  5. Step 5: Solve for x
    x = 200,497,844,251,774.09/19,117,551.60
  6. Step 6: Final answer
    x = 10,487,631.91

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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.