Home / 6,409,782.11-8,845,501.35-3,509,357.15

Finding the Fourth Proportional to 6,409,782.11, 8,845,501.35 and 3,509,357.15

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Solution

The fourth proportional to 6,409,782.11, 8,845,501.35 and 3,509,357.15 is: 4,842,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,782.11 : 8,845,501.35 = 3,509,357.15 : x
  2. Step 2: Convert to fraction form
    6,409,782.11/8,845,501.35 = 3,509,357.15/x
  3. Step 3: Cross multiply
    6,409,782.11x = 8,845,501.35 × 3,509,357.15
  4. Step 4: Simplify right side
    6,409,782.11x = 31,042,023,363,729.64
  5. Step 5: Solve for x
    x = 31,042,023,363,729.64/6,409,782.11
  6. Step 6: Final answer
    x = 4,842,913.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.