Home / 9,341,331.64-12,879,584.91-7,681,678.85

Finding the Fourth Proportional to 9,341,331.64, 12,879,584.91 and 7,681,678.85

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Solution

The fourth proportional to 9,341,331.64, 12,879,584.91 and 7,681,678.85 is: 10,591,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,331.64 : 12,879,584.91 = 7,681,678.85 : x
  2. Step 2: Convert to fraction form
    9,341,331.64/12,879,584.91 = 7,681,678.85/x
  3. Step 3: Cross multiply
    9,341,331.64x = 12,879,584.91 × 7,681,678.85
  4. Step 4: Simplify right side
    9,341,331.64x = 98,936,834,999,926.16
  5. Step 5: Solve for x
    x = 98,936,834,999,926.16/9,341,331.64
  6. Step 6: Final answer
    x = 10,591,298.84

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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.