Home / 7,151,005.40-9,868,426.22-4,210,950.20

Finding the Fourth Proportional to 7,151,005.40, 9,868,426.22 and 4,210,950.20

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Solution

The fourth proportional to 7,151,005.40, 9,868,426.22 and 4,210,950.20 is: 5,811,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,005.40 : 9,868,426.22 = 4,210,950.20 : x
  2. Step 2: Convert to fraction form
    7,151,005.40/9,868,426.22 = 4,210,950.20/x
  3. Step 3: Cross multiply
    7,151,005.40x = 9,868,426.22 × 4,210,950.20
  4. Step 4: Simplify right side
    7,151,005.40x = 41,555,451,364,794.25
  5. Step 5: Solve for x
    x = 41,555,451,364,794.25/7,151,005.40
  6. Step 6: Final answer
    x = 5,811,134.10

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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.