Home / 9,824,444.70-13,557,415.89-5,638,818.61

Finding the Fourth Proportional to 9,824,444.70, 13,557,415.89 and 5,638,818.61

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Solution

The fourth proportional to 9,824,444.70, 13,557,415.89 and 5,638,818.61 is: 7,781,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,824,444.70 : 13,557,415.89 = 5,638,818.61 : x
  2. Step 2: Convert to fraction form
    9,824,444.70/13,557,415.89 = 5,638,818.61/x
  3. Step 3: Cross multiply
    9,824,444.70x = 13,557,415.89 × 5,638,818.61
  4. Step 4: Simplify right side
    9,824,444.70x = 76,447,808,928,060.55
  5. Step 5: Solve for x
    x = 76,447,808,928,060.55/9,824,444.70
  6. Step 6: Final answer
    x = 7,781,387.27

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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.