Home / 38,497,410.36-57,746,115.54-12,938,419.80

Finding the Fourth Proportional to 38,497,410.36, 57,746,115.54 and 12,938,419.80

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Solution

The fourth proportional to 38,497,410.36, 57,746,115.54 and 12,938,419.80 is: 19,407,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,497,410.36 : 57,746,115.54 = 12,938,419.80 : x
  2. Step 2: Convert to fraction form
    38,497,410.36/57,746,115.54 = 12,938,419.80/x
  3. Step 3: Cross multiply
    38,497,410.36x = 57,746,115.54 × 12,938,419.80
  4. Step 4: Simplify right side
    38,497,410.36x = 747,143,484,675,823.75
  5. Step 5: Solve for x
    x = 747,143,484,675,823.75/38,497,410.36
  6. Step 6: Final answer
    x = 19,407,629.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.