Home / 11,766,056.40-17,630,422.20-7,772,302.80

Finding the Fourth Proportional to 11,766,056.40, 17,630,422.20 and 7,772,302.80

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Solution

The fourth proportional to 11,766,056.40, 17,630,422.20 and 7,772,302.80 is: 11,646,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766,056.40 : 17,630,422.20 = 7,772,302.80 : x
  2. Step 2: Convert to fraction form
    11,766,056.40/17,630,422.20 = 7,772,302.80/x
  3. Step 3: Cross multiply
    11,766,056.40x = 17,630,422.20 × 7,772,302.80
  4. Step 4: Simplify right side
    11,766,056.40x = 137,028,979,830,242.16
  5. Step 5: Solve for x
    x = 137,028,979,830,242.16/11,766,056.40
  6. Step 6: Final answer
    x = 11,646,126.38

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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.