Home / 7,151,010.56-9,868,433.12-4,210,955.20

Finding the Fourth Proportional to 7,151,010.56, 9,868,433.12 and 4,210,955.20

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Solution

The fourth proportional to 7,151,010.56, 9,868,433.12 and 4,210,955.20 is: 5,811,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,010.56 : 9,868,433.12 = 4,210,955.20 : x
  2. Step 2: Convert to fraction form
    7,151,010.56/9,868,433.12 = 4,210,955.20/x
  3. Step 3: Cross multiply
    7,151,010.56x = 9,868,433.12 × 4,210,955.20
  4. Step 4: Simplify right side
    7,151,010.56x = 41,555,529,762,516.22
  5. Step 5: Solve for x
    x = 41,555,529,762,516.22/7,151,010.56
  6. Step 6: Final answer
    x = 5,811,140.87

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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.