Home / 39,379,322.80-59,063,454.60-12,455,700.40

Finding the Fourth Proportional to 39,379,322.80, 59,063,454.60 and 12,455,700.40

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Solution

The fourth proportional to 39,379,322.80, 59,063,454.60 and 12,455,700.40 is: 18,681,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,322.80 : 59,063,454.60 = 12,455,700.40 : x
  2. Step 2: Convert to fraction form
    39,379,322.80/59,063,454.60 = 12,455,700.40/x
  3. Step 3: Cross multiply
    39,379,322.80x = 59,063,454.60 × 12,455,700.40
  4. Step 4: Simplify right side
    39,379,322.80x = 735,676,695,086,601.88
  5. Step 5: Solve for x
    x = 735,676,695,086,601.88/39,379,322.80
  6. Step 6: Final answer
    x = 18,681,801.58

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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.