Home / 30,172,707.35-45,288,290.28-28,534,097.60

Finding the Fourth Proportional to 30,172,707.35, 45,288,290.28 and 28,534,097.60

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Solution

The fourth proportional to 30,172,707.35, 45,288,290.28 and 28,534,097.60 is: 42,828,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,172,707.35 : 45,288,290.28 = 28,534,097.60 : x
  2. Step 2: Convert to fraction form
    30,172,707.35/45,288,290.28 = 28,534,097.60/x
  3. Step 3: Cross multiply
    30,172,707.35x = 45,288,290.28 × 28,534,097.60
  4. Step 4: Simplify right side
    30,172,707.35x = 1,292,260,494,986,651.50
  5. Step 5: Solve for x
    x = 1,292,260,494,986,651.50/30,172,707.35
  6. Step 6: Final answer
    x = 42,828,788.28

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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.