Home / 7,878,869.43-11,819,526.07-3,329,937.37

Finding the Fourth Proportional to 7,878,869.43, 11,819,526.07 and 3,329,937.37

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Solution

The fourth proportional to 7,878,869.43, 11,819,526.07 and 3,329,937.37 is: 4,995,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,869.43 : 11,819,526.07 = 3,329,937.37 : x
  2. Step 2: Convert to fraction form
    7,878,869.43/11,819,526.07 = 3,329,937.37/x
  3. Step 3: Cross multiply
    7,878,869.43x = 11,819,526.07 × 3,329,937.37
  4. Step 4: Simplify right side
    7,878,869.43x = 39,358,281,556,182.23
  5. Step 5: Solve for x
    x = 39,358,281,556,182.23/7,878,869.43
  6. Step 6: Final answer
    x = 4,995,422.49

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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.