Home / 28,941,410.56-39,939,614.56-15,889,872.64

Finding the Fourth Proportional to 28,941,410.56, 39,939,614.56 and 15,889,872.64

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Solution

The fourth proportional to 28,941,410.56, 39,939,614.56 and 15,889,872.64 is: 21,928,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941,410.56 : 39,939,614.56 = 15,889,872.64 : x
  2. Step 2: Convert to fraction form
    28,941,410.56/39,939,614.56 = 15,889,872.64/x
  3. Step 3: Cross multiply
    28,941,410.56x = 39,939,614.56 × 15,889,872.64
  4. Step 4: Simplify right side
    28,941,410.56x = 634,635,388,649,089.75
  5. Step 5: Solve for x
    x = 634,635,388,649,089.75/28,941,410.56
  6. Step 6: Final answer
    x = 21,928,281.18

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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.