Home / 7,658,077.92-10,568,368.98-4,220,540.40

Finding the Fourth Proportional to 7,658,077.92, 10,568,368.98 and 4,220,540.40

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Solution

The fourth proportional to 7,658,077.92, 10,568,368.98 and 4,220,540.40 is: 5,824,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,077.92 : 10,568,368.98 = 4,220,540.40 : x
  2. Step 2: Convert to fraction form
    7,658,077.92/10,568,368.98 = 4,220,540.40/x
  3. Step 3: Cross multiply
    7,658,077.92x = 10,568,368.98 × 4,220,540.40
  4. Step 4: Simplify right side
    7,658,077.92x = 44,604,228,242,196.80
  5. Step 5: Solve for x
    x = 44,604,228,242,196.80/7,658,077.92
  6. Step 6: Final answer
    x = 5,824,467.80

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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.