Home / 7,878,200.68-10,880,885.00-5,295,397.42

Finding the Fourth Proportional to 7,878,200.68, 10,880,885.00 and 5,295,397.42

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Solution

The fourth proportional to 7,878,200.68, 10,880,885.00 and 5,295,397.42 is: 7,313,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,878,200.68 : 10,880,885.00 = 5,295,397.42 : x
  2. Step 2: Convert to fraction form
    7,878,200.68/10,880,885.00 = 5,295,397.42/x
  3. Step 3: Cross multiply
    7,878,200.68x = 10,880,885.00 × 5,295,397.42
  4. Step 4: Simplify right side
    7,878,200.68x = 57,618,610,329,839.71
  5. Step 5: Solve for x
    x = 57,618,610,329,839.71/7,878,200.68
  6. Step 6: Final answer
    x = 7,313,676.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.