Home / 9,521,228.88-13,139,402.76-5,170,366.80

Finding the Fourth Proportional to 9,521,228.88, 13,139,402.76 and 5,170,366.80

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Solution

The fourth proportional to 9,521,228.88, 13,139,402.76 and 5,170,366.80 is: 7,135,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,228.88 : 13,139,402.76 = 5,170,366.80 : x
  2. Step 2: Convert to fraction form
    9,521,228.88/13,139,402.76 = 5,170,366.80/x
  3. Step 3: Cross multiply
    9,521,228.88x = 13,139,402.76 × 5,170,366.80
  4. Step 4: Simplify right side
    9,521,228.88x = 67,935,531,802,132.37
  5. Step 5: Solve for x
    x = 67,935,531,802,132.37/9,521,228.88
  6. Step 6: Final answer
    x = 7,135,164.24

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Double scale
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1.5x scale

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.