Home / 22,902,391.28-31,605,365.52-13,112,985.68

Finding the Fourth Proportional to 22,902,391.28, 31,605,365.52 and 13,112,985.68

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Solution

The fourth proportional to 22,902,391.28, 31,605,365.52 and 13,112,985.68 is: 18,095,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902,391.28 : 31,605,365.52 = 13,112,985.68 : x
  2. Step 2: Convert to fraction form
    22,902,391.28/31,605,365.52 = 13,112,985.68/x
  3. Step 3: Cross multiply
    22,902,391.28x = 31,605,365.52 × 13,112,985.68
  4. Step 4: Simplify right side
    22,902,391.28x = 414,440,705,474,925.75
  5. Step 5: Solve for x
    x = 414,440,705,474,925.75/22,902,391.28
  6. Step 6: Final answer
    x = 18,095,957.77

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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.