Home / 7,727,111.80-10,662,880.87-4,289,082.19

Finding the Fourth Proportional to 7,727,111.80, 10,662,880.87 and 4,289,082.19

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Solution

The fourth proportional to 7,727,111.80, 10,662,880.87 and 4,289,082.19 is: 5,918,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,111.80 : 10,662,880.87 = 4,289,082.19 : x
  2. Step 2: Convert to fraction form
    7,727,111.80/10,662,880.87 = 4,289,082.19/x
  3. Step 3: Cross multiply
    7,727,111.80x = 10,662,880.87 × 4,289,082.19
  4. Step 4: Simplify right side
    7,727,111.80x = 45,733,972,412,312.85
  5. Step 5: Solve for x
    x = 45,733,972,412,312.85/7,727,111.80
  6. Step 6: Final answer
    x = 5,918,637.34

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Double scale
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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.