Home / 14,750,115.78-20,362,013.45-10,509,419.51

Finding the Fourth Proportional to 14,750,115.78, 20,362,013.45 and 10,509,419.51

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Solution

The fourth proportional to 14,750,115.78, 20,362,013.45 and 10,509,419.51 is: 14,507,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750,115.78 : 20,362,013.45 = 10,509,419.51 : x
  2. Step 2: Convert to fraction form
    14,750,115.78/20,362,013.45 = 10,509,419.51/x
  3. Step 3: Cross multiply
    14,750,115.78x = 20,362,013.45 × 10,509,419.51
  4. Step 4: Simplify right side
    14,750,115.78x = 213,992,941,414,312.41
  5. Step 5: Solve for x
    x = 213,992,941,414,312.41/14,750,115.78
  6. Step 6: Final answer
    x = 14,507,882.15

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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.