Home / 7,243,332.70-10,864,999.05-7,131,358.30

Finding the Fourth Proportional to 7,243,332.70, 10,864,999.05 and 7,131,358.30

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Solution

The fourth proportional to 7,243,332.70, 10,864,999.05 and 7,131,358.30 is: 10,697,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,332.70 : 10,864,999.05 = 7,131,358.30 : x
  2. Step 2: Convert to fraction form
    7,243,332.70/10,864,999.05 = 7,131,358.30/x
  3. Step 3: Cross multiply
    7,243,332.70x = 10,864,999.05 × 7,131,358.30
  4. Step 4: Simplify right side
    7,243,332.70x = 77,482,201,154,709.62
  5. Step 5: Solve for x
    x = 77,482,201,154,709.62/7,243,332.70
  6. Step 6: Final answer
    x = 10,697,037.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.