Home / 13,607,442.40-20,403,790.80-5,630,072.80

Finding the Fourth Proportional to 13,607,442.40, 20,403,790.80 and 5,630,072.80

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Solution

The fourth proportional to 13,607,442.40, 20,403,790.80 and 5,630,072.80 is: 8,442,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607,442.40 : 20,403,790.80 = 5,630,072.80 : x
  2. Step 2: Convert to fraction form
    13,607,442.40/20,403,790.80 = 5,630,072.80/x
  3. Step 3: Cross multiply
    13,607,442.40x = 20,403,790.80 × 5,630,072.80
  4. Step 4: Simplify right side
    13,607,442.40x = 114,874,827,599,970.23
  5. Step 5: Solve for x
    x = 114,874,827,599,970.23/13,607,442.40
  6. Step 6: Final answer
    x = 8,442,058.71

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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.