Home / 10,500,384.70-15,750,577.05-6,557,879.80

Finding the Fourth Proportional to 10,500,384.70, 15,750,577.05 and 6,557,879.80

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Solution

The fourth proportional to 10,500,384.70, 15,750,577.05 and 6,557,879.80 is: 9,836,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,384.70 : 15,750,577.05 = 6,557,879.80 : x
  2. Step 2: Convert to fraction form
    10,500,384.70/15,750,577.05 = 6,557,879.80/x
  3. Step 3: Cross multiply
    10,500,384.70x = 15,750,577.05 × 6,557,879.80
  4. Step 4: Simplify right side
    10,500,384.70x = 103,290,391,074,538.59
  5. Step 5: Solve for x
    x = 103,290,391,074,538.59/10,500,384.70
  6. Step 6: Final answer
    x = 9,836,819.70

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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.