Home / 7,199,711.41-9,935,602.68-3,936,528.40

Finding the Fourth Proportional to 7,199,711.41, 9,935,602.68 and 3,936,528.40

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Solution

The fourth proportional to 7,199,711.41, 9,935,602.68 and 3,936,528.40 is: 5,432,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,711.41 : 9,935,602.68 = 3,936,528.40 : x
  2. Step 2: Convert to fraction form
    7,199,711.41/9,935,602.68 = 3,936,528.40/x
  3. Step 3: Cross multiply
    7,199,711.41x = 9,935,602.68 × 3,936,528.40
  4. Step 4: Simplify right side
    7,199,711.41x = 39,111,782,120,936.11
  5. Step 5: Solve for x
    x = 39,111,782,120,936.11/7,199,711.41
  6. Step 6: Final answer
    x = 5,432,409.70

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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.