Home / 9,216,172.50-12,718,291.71-5,086,173.66

Finding the Fourth Proportional to 9,216,172.50, 12,718,291.71 and 5,086,173.66

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Solution

The fourth proportional to 9,216,172.50, 12,718,291.71 and 5,086,173.66 is: 7,018,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216,172.50 : 12,718,291.71 = 5,086,173.66 : x
  2. Step 2: Convert to fraction form
    9,216,172.50/12,718,291.71 = 5,086,173.66/x
  3. Step 3: Cross multiply
    9,216,172.50x = 12,718,291.71 × 5,086,173.66
  4. Step 4: Simplify right side
    9,216,172.50x = 64,687,440,295,598.37
  5. Step 5: Solve for x
    x = 64,687,440,295,598.37/9,216,172.50
  6. Step 6: Final answer
    x = 7,018,905.11

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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.