Home / 13,771,365.70-20,657,048.55-12,259,711.30

Finding the Fourth Proportional to 13,771,365.70, 20,657,048.55 and 12,259,711.30

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Solution

The fourth proportional to 13,771,365.70, 20,657,048.55 and 12,259,711.30 is: 18,389,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,365.70 : 20,657,048.55 = 12,259,711.30 : x
  2. Step 2: Convert to fraction form
    13,771,365.70/20,657,048.55 = 12,259,711.30/x
  3. Step 3: Cross multiply
    13,771,365.70x = 20,657,048.55 × 12,259,711.30
  4. Step 4: Simplify right side
    13,771,365.70x = 253,249,451,533,083.62
  5. Step 5: Solve for x
    x = 253,249,451,533,083.62/13,771,365.70
  6. Step 6: Final answer
    x = 18,389,566.95

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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.