Home / 6,240,619.80-9,360,929.70-5,820,715.80

Finding the Fourth Proportional to 6,240,619.80, 9,360,929.70 and 5,820,715.80

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Solution

The fourth proportional to 6,240,619.80, 9,360,929.70 and 5,820,715.80 is: 8,731,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,619.80 : 9,360,929.70 = 5,820,715.80 : x
  2. Step 2: Convert to fraction form
    6,240,619.80/9,360,929.70 = 5,820,715.80/x
  3. Step 3: Cross multiply
    6,240,619.80x = 9,360,929.70 × 5,820,715.80
  4. Step 4: Simplify right side
    6,240,619.80x = 54,487,311,407,479.26
  5. Step 5: Solve for x
    x = 54,487,311,407,479.26/6,240,619.80
  6. Step 6: Final answer
    x = 8,731,073.70

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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.