Home / 38,763,134.16-53,494,266.20-21,360,600.39

Finding the Fourth Proportional to 38,763,134.16, 53,494,266.20 and 21,360,600.39

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Solution

The fourth proportional to 38,763,134.16, 53,494,266.20 and 21,360,600.39 is: 29,478,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,134.16 : 53,494,266.20 = 21,360,600.39 : x
  2. Step 2: Convert to fraction form
    38,763,134.16/53,494,266.20 = 21,360,600.39/x
  3. Step 3: Cross multiply
    38,763,134.16x = 53,494,266.20 × 21,360,600.39
  4. Step 4: Simplify right side
    38,763,134.16x = 1,142,669,643,454,484
  5. Step 5: Solve for x
    x = 1,142,669,643,454,484/38,763,134.16
  6. Step 6: Final answer
    x = 29,478,257.32

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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.