Home / 12,866,861.85-19,300,913.48-4,230,771.10

Finding the Fourth Proportional to 12,866,861.85, 19,300,913.48 and 4,230,771.10

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Solution

The fourth proportional to 12,866,861.85, 19,300,913.48 and 4,230,771.10 is: 6,346,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,861.85 : 19,300,913.48 = 4,230,771.10 : x
  2. Step 2: Convert to fraction form
    12,866,861.85/19,300,913.48 = 4,230,771.10/x
  3. Step 3: Cross multiply
    12,866,861.85x = 19,300,913.48 × 4,230,771.10
  4. Step 4: Simplify right side
    12,866,861.85x = 81,657,746,917,109.08
  5. Step 5: Solve for x
    x = 81,657,746,917,109.08/12,866,861.85
  6. Step 6: Final answer
    x = 6,346,360.74

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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.