Home / 10,443,395.16-15,675,402.06-7,840,647.18

Finding the Fourth Proportional to 10,443,395.16, 15,675,402.06 and 7,840,647.18

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Solution

The fourth proportional to 10,443,395.16, 15,675,402.06 and 7,840,647.18 is: 11,768,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443,395.16 : 15,675,402.06 = 7,840,647.18 : x
  2. Step 2: Convert to fraction form
    10,443,395.16/15,675,402.06 = 7,840,647.18/x
  3. Step 3: Cross multiply
    10,443,395.16x = 15,675,402.06 × 7,840,647.18
  4. Step 4: Simplify right side
    10,443,395.16x = 122,905,296,957,105.19
  5. Step 5: Solve for x
    x = 122,905,296,957,105.19/10,443,395.16
  6. Step 6: Final answer
    x = 11,768,710.76

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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.