Home / 7,836,832.40-11,752,483.80-2,788,307.60

Finding the Fourth Proportional to 7,836,832.40, 11,752,483.80 and 2,788,307.60

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Solution

The fourth proportional to 7,836,832.40, 11,752,483.80 and 2,788,307.60 is: 4,181,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,832.40 : 11,752,483.80 = 2,788,307.60 : x
  2. Step 2: Convert to fraction form
    7,836,832.40/11,752,483.80 = 2,788,307.60/x
  3. Step 3: Cross multiply
    7,836,832.40x = 11,752,483.80 × 2,788,307.60
  4. Step 4: Simplify right side
    7,836,832.40x = 32,769,539,898,416.88
  5. Step 5: Solve for x
    x = 32,769,539,898,416.88/7,836,832.40
  6. Step 6: Final answer
    x = 4,181,477.70

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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.