Home / 52,507,671.65-78,760,873.92-13,642,684.65

Finding the Fourth Proportional to 52,507,671.65, 78,760,873.92 and 13,642,684.65

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Solution

The fourth proportional to 52,507,671.65, 78,760,873.92 and 13,642,684.65 is: 20,463,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,671.65 : 78,760,873.92 = 13,642,684.65 : x
  2. Step 2: Convert to fraction form
    52,507,671.65/78,760,873.92 = 13,642,684.65/x
  3. Step 3: Cross multiply
    52,507,671.65x = 78,760,873.92 × 13,642,684.65
  4. Step 4: Simplify right side
    52,507,671.65x = 1,074,509,765,459,339
  5. Step 5: Solve for x
    x = 1,074,509,765,459,339/52,507,671.65
  6. Step 6: Final answer
    x = 20,463,862.36

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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.