Home / 8,700,581.16-11,997,440.82-5,436,203.40

Finding the Fourth Proportional to 8,700,581.16, 11,997,440.82 and 5,436,203.40

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Solution

The fourth proportional to 8,700,581.16, 11,997,440.82 and 5,436,203.40 is: 7,496,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,581.16 : 11,997,440.82 = 5,436,203.40 : x
  2. Step 2: Convert to fraction form
    8,700,581.16/11,997,440.82 = 5,436,203.40/x
  3. Step 3: Cross multiply
    8,700,581.16x = 11,997,440.82 × 5,436,203.40
  4. Step 4: Simplify right side
    8,700,581.16x = 65,220,528,576,982.80
  5. Step 5: Solve for x
    x = 65,220,528,576,982.80/8,700,581.16
  6. Step 6: Final answer
    x = 7,496,111.74

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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.