Home / 38,125,300.24-52,613,447.16-20,721,640.24

Finding the Fourth Proportional to 38,125,300.24, 52,613,447.16 and 20,721,640.24

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Solution

The fourth proportional to 38,125,300.24, 52,613,447.16 and 20,721,640.24 is: 28,596,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125,300.24 : 52,613,447.16 = 20,721,640.24 : x
  2. Step 2: Convert to fraction form
    38,125,300.24/52,613,447.16 = 20,721,640.24/x
  3. Step 3: Cross multiply
    38,125,300.24x = 52,613,447.16 × 20,721,640.24
  4. Step 4: Simplify right side
    38,125,300.24x = 1,090,236,923,835,769.50
  5. Step 5: Solve for x
    x = 1,090,236,923,835,769.50/38,125,300.24
  6. Step 6: Final answer
    x = 28,596,153.13

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Double scale
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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.