Home / 18,355,991.76-25,357,172.04-14,709,134.16

Finding the Fourth Proportional to 18,355,991.76, 25,357,172.04 and 14,709,134.16

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Solution

The fourth proportional to 18,355,991.76, 25,357,172.04 and 14,709,134.16 is: 20,319,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355,991.76 : 25,357,172.04 = 14,709,134.16 : x
  2. Step 2: Convert to fraction form
    18,355,991.76/25,357,172.04 = 14,709,134.16/x
  3. Step 3: Cross multiply
    18,355,991.76x = 25,357,172.04 × 14,709,134.16
  4. Step 4: Simplify right side
    18,355,991.76x = 372,982,045,454,560.88
  5. Step 5: Solve for x
    x = 372,982,045,454,560.88/18,355,991.76
  6. Step 6: Final answer
    x = 20,319,362.22

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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.