Home / 13,771,443.90-20,657,943.45-4,187,135.10

Finding the Fourth Proportional to 13,771,443.90, 20,657,943.45 and 4,187,135.10

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Solution

The fourth proportional to 13,771,443.90, 20,657,943.45 and 4,187,135.10 is: 6,280,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,443.90 : 20,657,943.45 = 4,187,135.10 : x
  2. Step 2: Convert to fraction form
    13,771,443.90/20,657,943.45 = 4,187,135.10/x
  3. Step 3: Cross multiply
    13,771,443.90x = 20,657,943.45 × 4,187,135.10
  4. Step 4: Simplify right side
    13,771,443.90x = 86,497,600,113,310.09
  5. Step 5: Solve for x
    x = 86,497,600,113,310.09/13,771,443.90
  6. Step 6: Final answer
    x = 6,280,939.08

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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.