Home / 7,886,333.98-11,830,445.34-2,420,712.87

Finding the Fourth Proportional to 7,886,333.98, 11,830,445.34 and 2,420,712.87

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Solution

The fourth proportional to 7,886,333.98, 11,830,445.34 and 2,420,712.87 is: 3,631,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,333.98 : 11,830,445.34 = 2,420,712.87 : x
  2. Step 2: Convert to fraction form
    7,886,333.98/11,830,445.34 = 2,420,712.87/x
  3. Step 3: Cross multiply
    7,886,333.98x = 11,830,445.34 × 2,420,712.87
  4. Step 4: Simplify right side
    7,886,333.98x = 28,638,111,292,369.53
  5. Step 5: Solve for x
    x = 28,638,111,292,369.53/7,886,333.98
  6. Step 6: Final answer
    x = 3,631,359.18

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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.