Home / 19,006,403.85-28,507,076.55-5,360,646.12

Finding the Fourth Proportional to 19,006,403.85, 28,507,076.55 and 5,360,646.12

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Solution

The fourth proportional to 19,006,403.85, 28,507,076.55 and 5,360,646.12 is: 8,040,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,403.85 : 28,507,076.55 = 5,360,646.12 : x
  2. Step 2: Convert to fraction form
    19,006,403.85/28,507,076.55 = 5,360,646.12/x
  3. Step 3: Cross multiply
    19,006,403.85x = 28,507,076.55 × 5,360,646.12
  4. Step 4: Simplify right side
    19,006,403.85x = 152,816,349,300,300.50
  5. Step 5: Solve for x
    x = 152,816,349,300,300.50/19,006,403.85
  6. Step 6: Final answer
    x = 8,040,255.83

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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.