Home / 8,900,828.40-13,345,343.64-3,220,313.52

Finding the Fourth Proportional to 8,900,828.40, 13,345,343.64 and 3,220,313.52

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Solution

The fourth proportional to 8,900,828.40, 13,345,343.64 and 3,220,313.52 is: 4,828,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900,828.40 : 13,345,343.64 = 3,220,313.52 : x
  2. Step 2: Convert to fraction form
    8,900,828.40/13,345,343.64 = 3,220,313.52/x
  3. Step 3: Cross multiply
    8,900,828.40x = 13,345,343.64 × 3,220,313.52
  4. Step 4: Simplify right side
    8,900,828.40x = 42,976,190,552,938.02
  5. Step 5: Solve for x
    x = 42,976,190,552,938.02/8,900,828.40
  6. Step 6: Final answer
    x = 4,828,336.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.