Home / 20,070,720.15-27,697,626.86-10,903,370.55

Finding the Fourth Proportional to 20,070,720.15, 27,697,626.86 and 10,903,370.55

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Solution

The fourth proportional to 20,070,720.15, 27,697,626.86 and 10,903,370.55 is: 15,046,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,720.15 : 27,697,626.86 = 10,903,370.55 : x
  2. Step 2: Convert to fraction form
    20,070,720.15/27,697,626.86 = 10,903,370.55/x
  3. Step 3: Cross multiply
    20,070,720.15x = 27,697,626.86 × 10,903,370.55
  4. Step 4: Simplify right side
    20,070,720.15x = 301,997,488,955,696.12
  5. Step 5: Solve for x
    x = 301,997,488,955,696.12/20,070,720.15
  6. Step 6: Final answer
    x = 15,046,669.31

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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.