Home / 6,337,206.40-9,505,809.60-5,640,476.80

Finding the Fourth Proportional to 6,337,206.40, 9,505,809.60 and 5,640,476.80

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Solution

The fourth proportional to 6,337,206.40, 9,505,809.60 and 5,640,476.80 is: 8,460,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,337,206.40 : 9,505,809.60 = 5,640,476.80 : x
  2. Step 2: Convert to fraction form
    6,337,206.40/9,505,809.60 = 5,640,476.80/x
  3. Step 3: Cross multiply
    6,337,206.40x = 9,505,809.60 × 5,640,476.80
  4. Step 4: Simplify right side
    6,337,206.40x = 53,617,298,514,017.27
  5. Step 5: Solve for x
    x = 53,617,298,514,017.27/6,337,206.40
  6. Step 6: Final answer
    x = 8,460,715.20

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1.5x scale

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.