Home / 29,717,436.96-40,992,688.08-18,686,728.80

Finding the Fourth Proportional to 29,717,436.96, 40,992,688.08 and 18,686,728.80

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Solution

The fourth proportional to 29,717,436.96, 40,992,688.08 and 18,686,728.80 is: 25,776,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,717,436.96 : 40,992,688.08 = 18,686,728.80 : x
  2. Step 2: Convert to fraction form
    29,717,436.96/40,992,688.08 = 18,686,728.80/x
  3. Step 3: Cross multiply
    29,717,436.96x = 40,992,688.08 × 18,686,728.80
  4. Step 4: Simplify right side
    29,717,436.96x = 766,019,244,933,952.75
  5. Step 5: Solve for x
    x = 766,019,244,933,952.75/29,717,436.96
  6. Step 6: Final answer
    x = 25,776,760.15

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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.