Home / 7,222,107.15-10,830,648.38-2,902,875.17

Finding the Fourth Proportional to 7,222,107.15, 10,830,648.38 and 2,902,875.17

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Solution

The fourth proportional to 7,222,107.15, 10,830,648.38 and 2,902,875.17 is: 4,353,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,107.15 : 10,830,648.38 = 2,902,875.17 : x
  2. Step 2: Convert to fraction form
    7,222,107.15/10,830,648.38 = 2,902,875.17/x
  3. Step 3: Cross multiply
    7,222,107.15x = 10,830,648.38 × 2,902,875.17
  4. Step 4: Simplify right side
    7,222,107.15x = 31,440,020,188,635.11
  5. Step 5: Solve for x
    x = 31,440,020,188,635.11/7,222,107.15
  6. Step 6: Final answer
    x = 4,353,302.93

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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.