Home / 7,886,319.19-10,878,982.97-6,851,501.87

Finding the Fourth Proportional to 7,886,319.19, 10,878,982.97 and 6,851,501.87

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Solution

The fourth proportional to 7,886,319.19, 10,878,982.97 and 6,851,501.87 is: 9,451,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,319.19 : 10,878,982.97 = 6,851,501.87 : x
  2. Step 2: Convert to fraction form
    7,886,319.19/10,878,982.97 = 6,851,501.87/x
  3. Step 3: Cross multiply
    7,886,319.19x = 10,878,982.97 × 6,851,501.87
  4. Step 4: Simplify right side
    7,886,319.19x = 74,537,372,074,000.73
  5. Step 5: Solve for x
    x = 74,537,372,074,000.73/7,886,319.19
  6. Step 6: Final answer
    x = 9,451,477.97

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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.