Home / 9,220,388.45-12,712,307.31-7,560,419.81

Finding the Fourth Proportional to 9,220,388.45, 12,712,307.31 and 7,560,419.81

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Solution

The fourth proportional to 9,220,388.45, 12,712,307.31 and 7,560,419.81 is: 10,423,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,388.45 : 12,712,307.31 = 7,560,419.81 : x
  2. Step 2: Convert to fraction form
    9,220,388.45/12,712,307.31 = 7,560,419.81/x
  3. Step 3: Cross multiply
    9,220,388.45x = 12,712,307.31 × 7,560,419.81
  4. Step 4: Simplify right side
    9,220,388.45x = 96,110,379,953,770.28
  5. Step 5: Solve for x
    x = 96,110,379,953,770.28/9,220,388.45
  6. Step 6: Final answer
    x = 10,423,680.14

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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.