Home / 7,407,215.73-10,222,354.77-4,143,835.83

Finding the Fourth Proportional to 7,407,215.73, 10,222,354.77 and 4,143,835.83

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Solution

The fourth proportional to 7,407,215.73, 10,222,354.77 and 4,143,835.83 is: 5,718,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,215.73 : 10,222,354.77 = 4,143,835.83 : x
  2. Step 2: Convert to fraction form
    7,407,215.73/10,222,354.77 = 4,143,835.83/x
  3. Step 3: Cross multiply
    7,407,215.73x = 10,222,354.77 × 4,143,835.83
  4. Step 4: Simplify right side
    7,407,215.73x = 42,359,759,962,897.41
  5. Step 5: Solve for x
    x = 42,359,759,962,897.41/7,407,215.73
  6. Step 6: Final answer
    x = 5,718,715.58

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1.5x scale

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.