Home / 30,163,416.41-45,238,391.38-13,987,265.78

Finding the Fourth Proportional to 30,163,416.41, 45,238,391.38 and 13,987,265.78

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Solution

The fourth proportional to 30,163,416.41, 45,238,391.38 and 13,987,265.78 is: 20,977,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163,416.41 : 45,238,391.38 = 13,987,265.78 : x
  2. Step 2: Convert to fraction form
    30,163,416.41/45,238,391.38 = 13,987,265.78/x
  3. Step 3: Cross multiply
    30,163,416.41x = 45,238,391.38 × 13,987,265.78
  4. Step 4: Simplify right side
    30,163,416.41x = 632,761,403,691,721
  5. Step 5: Solve for x
    x = 632,761,403,691,721/30,163,416.41
  6. Step 6: Final answer
    x = 20,977,776.36

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1.5x scale

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.