Home / 7,346,311.12-10,963,913.90-7,154,992.36

Finding the Fourth Proportional to 7,346,311.12, 10,963,913.90 and 7,154,992.36

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Solution

The fourth proportional to 7,346,311.12, 10,963,913.90 and 7,154,992.36 is: 10,678,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346,311.12 : 10,963,913.90 = 7,154,992.36 : x
  2. Step 2: Convert to fraction form
    7,346,311.12/10,963,913.90 = 7,154,992.36/x
  3. Step 3: Cross multiply
    7,346,311.12x = 10,963,913.90 × 7,154,992.36
  4. Step 4: Simplify right side
    7,346,311.12x = 78,446,720,190,197.81
  5. Step 5: Solve for x
    x = 78,446,720,190,197.81/7,346,311.12
  6. Step 6: Final answer
    x = 10,678,382.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.