Home / 7,174,863.89-10,756,612.35-3,578,779.79

Finding the Fourth Proportional to 7,174,863.89, 10,756,612.35 and 3,578,779.79

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Solution

The fourth proportional to 7,174,863.89, 10,756,612.35 and 3,578,779.79 is: 5,365,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174,863.89 : 10,756,612.35 = 3,578,779.79 : x
  2. Step 2: Convert to fraction form
    7,174,863.89/10,756,612.35 = 3,578,779.79/x
  3. Step 3: Cross multiply
    7,174,863.89x = 10,756,612.35 × 3,578,779.79
  4. Step 4: Simplify right side
    7,174,863.89x = 38,495,546,833,261.34
  5. Step 5: Solve for x
    x = 38,495,546,833,261.34/7,174,863.89
  6. Step 6: Final answer
    x = 5,365,334.79

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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.