Home / 8,520,780.15-11,758,770.27-4,653,415.17

Finding the Fourth Proportional to 8,520,780.15, 11,758,770.27 and 4,653,415.17

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Solution

The fourth proportional to 8,520,780.15, 11,758,770.27 and 4,653,415.17 is: 6,421,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,780.15 : 11,758,770.27 = 4,653,415.17 : x
  2. Step 2: Convert to fraction form
    8,520,780.15/11,758,770.27 = 4,653,415.17/x
  3. Step 3: Cross multiply
    8,520,780.15x = 11,758,770.27 × 4,653,415.17
  4. Step 4: Simplify right side
    8,520,780.15x = 54,718,439,954,962.99
  5. Step 5: Solve for x
    x = 54,718,439,954,962.99/8,520,780.15
  6. Step 6: Final answer
    x = 6,421,764.09

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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.