Home / 7,407,214.40-10,222,352.98-4,143,834.51

Finding the Fourth Proportional to 7,407,214.40, 10,222,352.98 and 4,143,834.51

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Solution

The fourth proportional to 7,407,214.40, 10,222,352.98 and 4,143,834.51 is: 5,718,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,214.40 : 10,222,352.98 = 4,143,834.51 : x
  2. Step 2: Convert to fraction form
    7,407,214.40/10,222,352.98 = 4,143,834.51/x
  3. Step 3: Cross multiply
    7,407,214.40x = 10,222,352.98 × 4,143,834.51
  4. Step 4: Simplify right side
    7,407,214.40x = 42,359,739,041,565.75
  5. Step 5: Solve for x
    x = 42,359,739,041,565.75/7,407,214.40
  6. Step 6: Final answer
    x = 5,718,713.78

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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.