Home / 19,218,448.36-28,821,740.53-5,572,600.59

Finding the Fourth Proportional to 19,218,448.36, 28,821,740.53 and 5,572,600.59

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Solution

The fourth proportional to 19,218,448.36, 28,821,740.53 and 5,572,600.59 is: 8,357,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,448.36 : 28,821,740.53 = 5,572,600.59 : x
  2. Step 2: Convert to fraction form
    19,218,448.36/28,821,740.53 = 5,572,600.59/x
  3. Step 3: Cross multiply
    19,218,448.36x = 28,821,740.53 × 5,572,600.59
  4. Step 4: Simplify right side
    19,218,448.36x = 160,612,048,282,304.91
  5. Step 5: Solve for x
    x = 160,612,048,282,304.91/19,218,448.36
  6. Step 6: Final answer
    x = 8,357,180.83

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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.