Home / 28,040,337.60-42,048,064.80-12,886,468.80

Finding the Fourth Proportional to 28,040,337.60, 42,048,064.80 and 12,886,468.80

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Solution

The fourth proportional to 28,040,337.60, 42,048,064.80 and 12,886,468.80 is: 19,323,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,337.60 : 42,048,064.80 = 12,886,468.80 : x
  2. Step 2: Convert to fraction form
    28,040,337.60/42,048,064.80 = 12,886,468.80/x
  3. Step 3: Cross multiply
    28,040,337.60x = 42,048,064.80 × 12,886,468.80
  4. Step 4: Simplify right side
    28,040,337.60x = 541,851,075,145,578.25
  5. Step 5: Solve for x
    x = 541,851,075,145,578.25/28,040,337.60
  6. Step 6: Final answer
    x = 19,323,985.43

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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.