Home / 15,250,629.74-21,040,607.64-9,747,225.94

Finding the Fourth Proportional to 15,250,629.74, 21,040,607.64 and 9,747,225.94

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Solution

The fourth proportional to 15,250,629.74, 21,040,607.64 and 9,747,225.94 is: 13,447,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250,629.74 : 21,040,607.64 = 9,747,225.94 : x
  2. Step 2: Convert to fraction form
    15,250,629.74/21,040,607.64 = 9,747,225.94/x
  3. Step 3: Cross multiply
    15,250,629.74x = 21,040,607.64 × 9,747,225.94
  4. Step 4: Simplify right side
    15,250,629.74x = 205,087,556,581,970.19
  5. Step 5: Solve for x
    x = 205,087,556,581,970.19/15,250,629.74
  6. Step 6: Final answer
    x = 13,447,809.05

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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.