Home / 7,199,709.59-9,935,600.17-3,936,526.57

Finding the Fourth Proportional to 7,199,709.59, 9,935,600.17 and 3,936,526.57

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Solution

The fourth proportional to 7,199,709.59, 9,935,600.17 and 3,936,526.57 is: 5,432,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,709.59 : 9,935,600.17 = 3,936,526.57 : x
  2. Step 2: Convert to fraction form
    7,199,709.59/9,935,600.17 = 3,936,526.57/x
  3. Step 3: Cross multiply
    7,199,709.59x = 9,935,600.17 × 3,936,526.57
  4. Step 4: Simplify right side
    7,199,709.59x = 39,111,754,038,418.88
  5. Step 5: Solve for x
    x = 39,111,754,038,418.88/7,199,709.59
  6. Step 6: Final answer
    x = 5,432,407.18

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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.