Home / 10,243,261.40-15,364,892.10-9,422,115.80

Finding the Fourth Proportional to 10,243,261.40, 15,364,892.10 and 9,422,115.80

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Solution

The fourth proportional to 10,243,261.40, 15,364,892.10 and 9,422,115.80 is: 14,133,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243,261.40 : 15,364,892.10 = 9,422,115.80 : x
  2. Step 2: Convert to fraction form
    10,243,261.40/15,364,892.10 = 9,422,115.80/x
  3. Step 3: Cross multiply
    10,243,261.40x = 15,364,892.10 × 9,422,115.80
  4. Step 4: Simplify right side
    10,243,261.40x = 144,769,792,620,705.19
  5. Step 5: Solve for x
    x = 144,769,792,620,705.19/10,243,261.40
  6. Step 6: Final answer
    x = 14,133,173.70

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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.