Home / 38,763,123.39-53,494,251.34-21,360,589.62

Finding the Fourth Proportional to 38,763,123.39, 53,494,251.34 and 21,360,589.62

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Solution

The fourth proportional to 38,763,123.39, 53,494,251.34 and 21,360,589.62 is: 29,478,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,123.39 : 53,494,251.34 = 21,360,589.62 : x
  2. Step 2: Convert to fraction form
    38,763,123.39/53,494,251.34 = 21,360,589.62/x
  3. Step 3: Cross multiply
    38,763,123.39x = 53,494,251.34 × 21,360,589.62
  4. Step 4: Simplify right side
    38,763,123.39x = 1,142,668,749,849,473.75
  5. Step 5: Solve for x
    x = 1,142,668,749,849,473.75/38,763,123.39
  6. Step 6: Final answer
    x = 29,478,242.46

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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.