Home / 38,843,919.63-53,604,613.76-21,440,269.55

Finding the Fourth Proportional to 38,843,919.63, 53,604,613.76 and 21,440,269.55

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Solution

The fourth proportional to 38,843,919.63, 53,604,613.76 and 21,440,269.55 is: 29,587,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,843,919.63 : 53,604,613.76 = 21,440,269.55 : x
  2. Step 2: Convert to fraction form
    38,843,919.63/53,604,613.76 = 21,440,269.55/x
  3. Step 3: Cross multiply
    38,843,919.63x = 53,604,613.76 × 21,440,269.55
  4. Step 4: Simplify right side
    38,843,919.63x = 1,149,297,368,164,849.25
  5. Step 5: Solve for x
    x = 1,149,297,368,164,849.25/38,843,919.63
  6. Step 6: Final answer
    x = 29,587,574.56

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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.