Home / 13,145,629.10-19,718,443.65-4,625,897.90

Finding the Fourth Proportional to 13,145,629.10, 19,718,443.65 and 4,625,897.90

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Solution

The fourth proportional to 13,145,629.10, 19,718,443.65 and 4,625,897.90 is: 6,938,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,629.10 : 19,718,443.65 = 4,625,897.90 : x
  2. Step 2: Convert to fraction form
    13,145,629.10/19,718,443.65 = 4,625,897.90/x
  3. Step 3: Cross multiply
    13,145,629.10x = 19,718,443.65 × 4,625,897.90
  4. Step 4: Simplify right side
    13,145,629.10x = 91,215,507,071,803.33
  5. Step 5: Solve for x
    x = 91,215,507,071,803.33/13,145,629.10
  6. Step 6: Final answer
    x = 6,938,846.85

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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.