Home / 6,390,080.13-8,818,302.90-3,777,525.81

Finding the Fourth Proportional to 6,390,080.13, 8,818,302.90 and 3,777,525.81

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Solution

The fourth proportional to 6,390,080.13, 8,818,302.90 and 3,777,525.81 is: 5,212,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,080.13 : 8,818,302.90 = 3,777,525.81 : x
  2. Step 2: Convert to fraction form
    6,390,080.13/8,818,302.90 = 3,777,525.81/x
  3. Step 3: Cross multiply
    6,390,080.13x = 8,818,302.90 × 3,777,525.81
  4. Step 4: Simplify right side
    6,390,080.13x = 33,311,366,805,147.85
  5. Step 5: Solve for x
    x = 33,311,366,805,147.85/6,390,080.13
  6. Step 6: Final answer
    x = 5,212,981.08

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1.5x scale

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.