Home / 14,279,000.70-19,704,905.67-7,752,500.70

Finding the Fourth Proportional to 14,279,000.70, 19,704,905.67 and 7,752,500.70

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Solution

The fourth proportional to 14,279,000.70, 19,704,905.67 and 7,752,500.70 is: 10,698,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,000.70 : 19,704,905.67 = 7,752,500.70 : x
  2. Step 2: Convert to fraction form
    14,279,000.70/19,704,905.67 = 7,752,500.70/x
  3. Step 3: Cross multiply
    14,279,000.70x = 19,704,905.67 × 7,752,500.70
  4. Step 4: Simplify right side
    14,279,000.70x = 152,762,295,000,109
  5. Step 5: Solve for x
    x = 152,762,295,000,109/14,279,000.70
  6. Step 6: Final answer
    x = 10,698,388.37

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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.