Home / 30,645,217.80-42,292,304.82-16,894,156.68

Finding the Fourth Proportional to 30,645,217.80, 42,292,304.82 and 16,894,156.68

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Solution

The fourth proportional to 30,645,217.80, 42,292,304.82 and 16,894,156.68 is: 23,314,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,217.80 : 42,292,304.82 = 16,894,156.68 : x
  2. Step 2: Convert to fraction form
    30,645,217.80/42,292,304.82 = 16,894,156.68/x
  3. Step 3: Cross multiply
    30,645,217.80x = 42,292,304.82 × 16,894,156.68
  4. Step 4: Simplify right side
    30,645,217.80x = 714,492,823,987,399.25
  5. Step 5: Solve for x
    x = 714,492,823,987,399.25/30,645,217.80
  6. Step 6: Final answer
    x = 23,314,986.00

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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.