Home / 7,920,071.87-10,929,703.62-4,298,399.87

Finding the Fourth Proportional to 7,920,071.87, 10,929,703.62 and 4,298,399.87

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Solution

The fourth proportional to 7,920,071.87, 10,929,703.62 and 4,298,399.87 is: 5,931,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,071.87 : 10,929,703.62 = 4,298,399.87 : x
  2. Step 2: Convert to fraction form
    7,920,071.87/10,929,703.62 = 4,298,399.87/x
  3. Step 3: Cross multiply
    7,920,071.87x = 10,929,703.62 × 4,298,399.87
  4. Step 4: Simplify right side
    7,920,071.87x = 46,980,236,619,346.52
  5. Step 5: Solve for x
    x = 46,980,236,619,346.52/7,920,071.87
  6. Step 6: Final answer
    x = 5,931,794.23

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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.