Home / 13,451,412.80-20,230,263.30-12,069,666.20

Finding the Fourth Proportional to 13,451,412.80, 20,230,263.30 and 12,069,666.20

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Solution

The fourth proportional to 13,451,412.80, 20,230,263.30 and 12,069,666.20 is: 18,152,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,412.80 : 20,230,263.30 = 12,069,666.20 : x
  2. Step 2: Convert to fraction form
    13,451,412.80/20,230,263.30 = 12,069,666.20/x
  3. Step 3: Cross multiply
    13,451,412.80x = 20,230,263.30 × 12,069,666.20
  4. Step 4: Simplify right side
    13,451,412.80x = 244,172,525,169,110.47
  5. Step 5: Solve for x
    x = 244,172,525,169,110.47/13,451,412.80
  6. Step 6: Final answer
    x = 18,152,184.37

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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.