Home / 7,778,423.79-11,663,901.38-3,676,328.03

Finding the Fourth Proportional to 7,778,423.79, 11,663,901.38 and 3,676,328.03

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Solution

The fourth proportional to 7,778,423.79, 11,663,901.38 and 3,676,328.03 is: 5,512,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,423.79 : 11,663,901.38 = 3,676,328.03 : x
  2. Step 2: Convert to fraction form
    7,778,423.79/11,663,901.38 = 3,676,328.03/x
  3. Step 3: Cross multiply
    7,778,423.79x = 11,663,901.38 × 3,676,328.03
  4. Step 4: Simplify right side
    7,778,423.79x = 42,880,327,548,326.27
  5. Step 5: Solve for x
    x = 42,880,327,548,326.27/7,778,423.79
  6. Step 6: Final answer
    x = 5,512,727.09

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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.