Home / 8,988,755.80-13,483,133.70-5,200,288.60

Finding the Fourth Proportional to 8,988,755.80, 13,483,133.70 and 5,200,288.60

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Solution

The fourth proportional to 8,988,755.80, 13,483,133.70 and 5,200,288.60 is: 7,800,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,755.80 : 13,483,133.70 = 5,200,288.60 : x
  2. Step 2: Convert to fraction form
    8,988,755.80/13,483,133.70 = 5,200,288.60/x
  3. Step 3: Cross multiply
    8,988,755.80x = 13,483,133.70 × 5,200,288.60
  4. Step 4: Simplify right side
    8,988,755.80x = 70,116,186,472,385.81
  5. Step 5: Solve for x
    x = 70,116,186,472,385.81/8,988,755.80
  6. Step 6: Final answer
    x = 7,800,432.90

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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.