Home / 7,207,022.91-9,945,690.65-3,943,838.02

Finding the Fourth Proportional to 7,207,022.91, 9,945,690.65 and 3,943,838.02

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Solution

The fourth proportional to 7,207,022.91, 9,945,690.65 and 3,943,838.02 is: 5,442,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,022.91 : 9,945,690.65 = 3,943,838.02 : x
  2. Step 2: Convert to fraction form
    7,207,022.91/9,945,690.65 = 3,943,838.02/x
  3. Step 3: Cross multiply
    7,207,022.91x = 9,945,690.65 × 3,943,838.02
  4. Step 4: Simplify right side
    7,207,022.91x = 39,224,192,920,628.52
  5. Step 5: Solve for x
    x = 39,224,192,920,628.52/7,207,022.91
  6. Step 6: Final answer
    x = 5,442,495.94

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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.