Home / 12,364,089.95-18,533,045.25-4,158,921.03

Finding the Fourth Proportional to 12,364,089.95, 18,533,045.25 and 4,158,921.03

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Solution

The fourth proportional to 12,364,089.95, 18,533,045.25 and 4,158,921.03 is: 6,233,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,089.95 : 18,533,045.25 = 4,158,921.03 : x
  2. Step 2: Convert to fraction form
    12,364,089.95/18,533,045.25 = 4,158,921.03/x
  3. Step 3: Cross multiply
    12,364,089.95x = 18,533,045.25 × 4,158,921.03
  4. Step 4: Simplify right side
    12,364,089.95x = 77,077,471,640,166.61
  5. Step 5: Solve for x
    x = 77,077,471,640,166.61/12,364,089.95
  6. Step 6: Final answer
    x = 6,233,978.56

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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.