Home / 29,280,066.78-43,658,328.76-28,475,620.68

Finding the Fourth Proportional to 29,280,066.78, 43,658,328.76 and 28,475,620.68

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Solution

The fourth proportional to 29,280,066.78, 43,658,328.76 and 28,475,620.68 is: 42,458,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280,066.78 : 43,658,328.76 = 28,475,620.68 : x
  2. Step 2: Convert to fraction form
    29,280,066.78/43,658,328.76 = 28,475,620.68/x
  3. Step 3: Cross multiply
    29,280,066.78x = 43,658,328.76 × 28,475,620.68
  4. Step 4: Simplify right side
    29,280,066.78x = 1,243,198,009,292,494.75
  5. Step 5: Solve for x
    x = 1,243,198,009,292,494.75/29,280,066.78
  6. Step 6: Final answer
    x = 42,458,851.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.