Home / 19,040,909.15-28,561,875.80-5,392,646.23

Finding the Fourth Proportional to 19,040,909.15, 28,561,875.80 and 5,392,646.23

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Solution

The fourth proportional to 19,040,909.15, 28,561,875.80 and 5,392,646.23 is: 8,089,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040,909.15 : 28,561,875.80 = 5,392,646.23 : x
  2. Step 2: Convert to fraction form
    19,040,909.15/28,561,875.80 = 5,392,646.23/x
  3. Step 3: Cross multiply
    19,040,909.15x = 28,561,875.80 × 5,392,646.23
  4. Step 4: Simplify right side
    19,040,909.15x = 154,024,091,840,117.47
  5. Step 5: Solve for x
    x = 154,024,091,840,117.47/19,040,909.15
  6. Step 6: Final answer
    x = 8,089,114.37

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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.