Home / 20,070,317.52-27,697,038.21-10,902,960.27

Finding the Fourth Proportional to 20,070,317.52, 27,697,038.21 and 10,902,960.27

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Solution

The fourth proportional to 20,070,317.52, 27,697,038.21 and 10,902,960.27 is: 15,046,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,317.52 : 27,697,038.21 = 10,902,960.27 : x
  2. Step 2: Convert to fraction form
    20,070,317.52/27,697,038.21 = 10,902,960.27/x
  3. Step 3: Cross multiply
    20,070,317.52x = 27,697,038.21 × 10,902,960.27
  4. Step 4: Simplify right side
    20,070,317.52x = 301,979,707,200,301.94
  5. Step 5: Solve for x
    x = 301,979,707,200,301.94/20,070,317.52
  6. Step 6: Final answer
    x = 15,046,085.19

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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.