Home / 13,674,340.86-18,870,874.47-7,563,182.46

Finding the Fourth Proportional to 13,674,340.86, 18,870,874.47 and 7,563,182.46

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Solution

The fourth proportional to 13,674,340.86, 18,870,874.47 and 7,563,182.46 is: 10,437,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,340.86 : 18,870,874.47 = 7,563,182.46 : x
  2. Step 2: Convert to fraction form
    13,674,340.86/18,870,874.47 = 7,563,182.46/x
  3. Step 3: Cross multiply
    13,674,340.86x = 18,870,874.47 × 7,563,182.46
  4. Step 4: Simplify right side
    13,674,340.86x = 142,723,866,796,365.78
  5. Step 5: Solve for x
    x = 142,723,866,796,365.78/13,674,340.86
  6. Step 6: Final answer
    x = 10,437,348.92

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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.