Home / 10,207,534.40-15,311,301.60-9,091,508.30

Finding the Fourth Proportional to 10,207,534.40, 15,311,301.60 and 9,091,508.30

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Solution

The fourth proportional to 10,207,534.40, 15,311,301.60 and 9,091,508.30 is: 13,637,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,534.40 : 15,311,301.60 = 9,091,508.30 : x
  2. Step 2: Convert to fraction form
    10,207,534.40/15,311,301.60 = 9,091,508.30/x
  3. Step 3: Cross multiply
    10,207,534.40x = 15,311,301.60 × 9,091,508.30
  4. Step 4: Simplify right side
    10,207,534.40x = 139,202,825,580,203.28
  5. Step 5: Solve for x
    x = 139,202,825,580,203.28/10,207,534.40
  6. Step 6: Final answer
    x = 13,637,262.45

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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.