Home / 30,433,829.90-45,646,314.82-8,862,639.72

Finding the Fourth Proportional to 30,433,829.90, 45,646,314.82 and 8,862,639.72

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Solution

The fourth proportional to 30,433,829.90, 45,646,314.82 and 8,862,639.72 is: 13,292,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433,829.90 : 45,646,314.82 = 8,862,639.72 : x
  2. Step 2: Convert to fraction form
    30,433,829.90/45,646,314.82 = 8,862,639.72/x
  3. Step 3: Cross multiply
    30,433,829.90x = 45,646,314.82 × 8,862,639.72
  4. Step 4: Simplify right side
    30,433,829.90x = 404,546,842,795,356.69
  5. Step 5: Solve for x
    x = 404,546,842,795,356.69/30,433,829.90
  6. Step 6: Final answer
    x = 13,292,669.51

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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.