Home / 6,281,208.80-9,421,813.20-5,253,756.20

Finding the Fourth Proportional to 6,281,208.80, 9,421,813.20 and 5,253,756.20

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Solution

The fourth proportional to 6,281,208.80, 9,421,813.20 and 5,253,756.20 is: 7,880,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281,208.80 : 9,421,813.20 = 5,253,756.20 : x
  2. Step 2: Convert to fraction form
    6,281,208.80/9,421,813.20 = 5,253,756.20/x
  3. Step 3: Cross multiply
    6,281,208.80x = 9,421,813.20 × 5,253,756.20
  4. Step 4: Simplify right side
    6,281,208.80x = 49,499,909,514,741.84
  5. Step 5: Solve for x
    x = 49,499,909,514,741.84/6,281,208.80
  6. Step 6: Final answer
    x = 7,880,634.30

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1.5x scale

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.