Home / 20,854,075.80-31,262,451.30-8,070,331.80

Finding the Fourth Proportional to 20,854,075.80, 31,262,451.30 and 8,070,331.80

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Solution

The fourth proportional to 20,854,075.80, 31,262,451.30 and 8,070,331.80 is: 12,098,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,075.80 : 31,262,451.30 = 8,070,331.80 : x
  2. Step 2: Convert to fraction form
    20,854,075.80/31,262,451.30 = 8,070,331.80/x
  3. Step 3: Cross multiply
    20,854,075.80x = 31,262,451.30 × 8,070,331.80
  4. Step 4: Simplify right side
    20,854,075.80x = 252,298,354,872,341.34
  5. Step 5: Solve for x
    x = 252,298,354,872,341.34/20,854,075.80
  6. Step 6: Final answer
    x = 12,098,275.53

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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.