Home / 20,180,776.70-30,262,307.70-8,046,207.20

Finding the Fourth Proportional to 20,180,776.70, 30,262,307.70 and 8,046,207.20

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Solution

The fourth proportional to 20,180,776.70, 30,262,307.70 and 8,046,207.20 is: 12,065,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,776.70 : 30,262,307.70 = 8,046,207.20 : x
  2. Step 2: Convert to fraction form
    20,180,776.70/30,262,307.70 = 8,046,207.20/x
  3. Step 3: Cross multiply
    20,180,776.70x = 30,262,307.70 × 8,046,207.20
  4. Step 4: Simplify right side
    20,180,776.70x = 243,496,798,104,355.44
  5. Step 5: Solve for x
    x = 243,496,798,104,355.44/20,180,776.70
  6. Step 6: Final answer
    x = 12,065,779.32

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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.