Home / 20,159,209.40-30,250,623.90-7,381,005.80

Finding the Fourth Proportional to 20,159,209.40, 30,250,623.90 and 7,381,005.80

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Solution

The fourth proportional to 20,159,209.40, 30,250,623.90 and 7,381,005.80 is: 11,075,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,209.40 : 30,250,623.90 = 7,381,005.80 : x
  2. Step 2: Convert to fraction form
    20,159,209.40/30,250,623.90 = 7,381,005.80/x
  3. Step 3: Cross multiply
    20,159,209.40x = 30,250,623.90 × 7,381,005.80
  4. Step 4: Simplify right side
    20,159,209.40x = 223,280,030,459,518.59
  5. Step 5: Solve for x
    x = 223,280,030,459,518.59/20,159,209.40
  6. Step 6: Final answer
    x = 11,075,832.69

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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.