Home / 12,490,058.88-18,731,075.16-3,968,403.72

Finding the Fourth Proportional to 12,490,058.88, 18,731,075.16 and 3,968,403.72

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Solution

The fourth proportional to 12,490,058.88, 18,731,075.16 and 3,968,403.72 is: 5,951,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,058.88 : 18,731,075.16 = 3,968,403.72 : x
  2. Step 2: Convert to fraction form
    12,490,058.88/18,731,075.16 = 3,968,403.72/x
  3. Step 3: Cross multiply
    12,490,058.88x = 18,731,075.16 × 3,968,403.72
  4. Step 4: Simplify right side
    12,490,058.88x = 74,332,468,344,543.59
  5. Step 5: Solve for x
    x = 74,332,468,344,543.59/12,490,058.88
  6. Step 6: Final answer
    x = 5,951,330.50

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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.