Home / 12,291,935.10-18,437,902.65-3,772,290.30

Finding the Fourth Proportional to 12,291,935.10, 18,437,902.65 and 3,772,290.30

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Solution

The fourth proportional to 12,291,935.10, 18,437,902.65 and 3,772,290.30 is: 5,658,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,935.10 : 18,437,902.65 = 3,772,290.30 : x
  2. Step 2: Convert to fraction form
    12,291,935.10/18,437,902.65 = 3,772,290.30/x
  3. Step 3: Cross multiply
    12,291,935.10x = 18,437,902.65 × 3,772,290.30
  4. Step 4: Simplify right side
    12,291,935.10x = 69,553,121,318,939.29
  5. Step 5: Solve for x
    x = 69,553,121,318,939.29/12,291,935.10
  6. Step 6: Final answer
    x = 5,658,435.45

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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.