Home / 11,766,110.40-17,630,503.20-7,772,356.80

Finding the Fourth Proportional to 11,766,110.40, 17,630,503.20 and 7,772,356.80

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Solution

The fourth proportional to 11,766,110.40, 17,630,503.20 and 7,772,356.80 is: 11,646,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766,110.40 : 17,630,503.20 = 7,772,356.80 : x
  2. Step 2: Convert to fraction form
    11,766,110.40/17,630,503.20 = 7,772,356.80/x
  3. Step 3: Cross multiply
    11,766,110.40x = 17,630,503.20 × 7,772,356.80
  4. Step 4: Simplify right side
    11,766,110.40x = 137,030,561,433,941.75
  5. Step 5: Solve for x
    x = 137,030,561,433,941.75/11,766,110.40
  6. Step 6: Final answer
    x = 11,646,207.35

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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.