Home / 10,991,848.38-15,168,458.08-6,345,476.60

Finding the Fourth Proportional to 10,991,848.38, 15,168,458.08 and 6,345,476.60

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Solution

The fourth proportional to 10,991,848.38, 15,168,458.08 and 6,345,476.60 is: 8,756,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,848.38 : 15,168,458.08 = 6,345,476.60 : x
  2. Step 2: Convert to fraction form
    10,991,848.38/15,168,458.08 = 6,345,476.60/x
  3. Step 3: Cross multiply
    10,991,848.38x = 15,168,458.08 × 6,345,476.60
  4. Step 4: Simplify right side
    10,991,848.38x = 96,251,095,804,720.92
  5. Step 5: Solve for x
    x = 96,251,095,804,720.92/10,991,848.38
  6. Step 6: Final answer
    x = 8,756,588.74

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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.