Home / 7,385,099.10-10,191,950.34-4,122,550.74

Finding the Fourth Proportional to 7,385,099.10, 10,191,950.34 and 4,122,550.74

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Solution

The fourth proportional to 7,385,099.10, 10,191,950.34 and 4,122,550.74 is: 5,689,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385,099.10 : 10,191,950.34 = 4,122,550.74 : x
  2. Step 2: Convert to fraction form
    7,385,099.10/10,191,950.34 = 4,122,550.74/x
  3. Step 3: Cross multiply
    7,385,099.10x = 10,191,950.34 × 4,122,550.74
  4. Step 4: Simplify right side
    7,385,099.10x = 42,016,832,416,210.25
  5. Step 5: Solve for x
    x = 42,016,832,416,210.25/7,385,099.10
  6. Step 6: Final answer
    x = 5,689,406.72

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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.