Home / 30,866,893.90-42,593,244.52-17,818,356.60

Finding the Fourth Proportional to 30,866,893.90, 42,593,244.52 and 17,818,356.60

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Solution

The fourth proportional to 30,866,893.90, 42,593,244.52 and 17,818,356.60 is: 24,587,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866,893.90 : 42,593,244.52 = 17,818,356.60 : x
  2. Step 2: Convert to fraction form
    30,866,893.90/42,593,244.52 = 17,818,356.60/x
  3. Step 3: Cross multiply
    30,866,893.90x = 42,593,244.52 × 17,818,356.60
  4. Step 4: Simplify right side
    30,866,893.90x = 758,941,619,519,264.12
  5. Step 5: Solve for x
    x = 758,941,619,519,264.12/30,866,893.90
  6. Step 6: Final answer
    x = 24,587,560.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.