Home / 7,836,832.90-11,752,484.55-2,788,308.10

Finding the Fourth Proportional to 7,836,832.90, 11,752,484.55 and 2,788,308.10

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Solution

The fourth proportional to 7,836,832.90, 11,752,484.55 and 2,788,308.10 is: 4,181,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,832.90 : 11,752,484.55 = 2,788,308.10 : x
  2. Step 2: Convert to fraction form
    7,836,832.90/11,752,484.55 = 2,788,308.10/x
  3. Step 3: Cross multiply
    7,836,832.90x = 11,752,484.55 × 2,788,308.10
  4. Step 4: Simplify right side
    7,836,832.90x = 32,769,547,865,889.86
  5. Step 5: Solve for x
    x = 32,769,547,865,889.86/7,836,832.90
  6. Step 6: Final answer
    x = 4,181,478.45

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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.