Home / 28,237,975-42,374,877.66-12,064,048.12

Finding the Fourth Proportional to 28,237,975, 42,374,877.66 and 12,064,048.12

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Solution

The fourth proportional to 28,237,975, 42,374,877.66 and 12,064,048.12 is: 18,103,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,975 : 42,374,877.66 = 12,064,048.12 : x
  2. Step 2: Convert to fraction form
    28,237,975/42,374,877.66 = 12,064,048.12/x
  3. Step 3: Cross multiply
    28,237,975x = 42,374,877.66 × 12,064,048.12
  4. Step 4: Simplify right side
    28,237,975x = 511,212,563,169,352.94
  5. Step 5: Solve for x
    x = 511,212,563,169,352.94/28,237,975
  6. Step 6: Final answer
    x = 18,103,726.03

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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.