Home / 10,366,990.70-15,550,486.05-9,275,240.30

Finding the Fourth Proportional to 10,366,990.70, 15,550,486.05 and 9,275,240.30

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Solution

The fourth proportional to 10,366,990.70, 15,550,486.05 and 9,275,240.30 is: 13,912,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,990.70 : 15,550,486.05 = 9,275,240.30 : x
  2. Step 2: Convert to fraction form
    10,366,990.70/15,550,486.05 = 9,275,240.30/x
  3. Step 3: Cross multiply
    10,366,990.70x = 15,550,486.05 × 9,275,240.30
  4. Step 4: Simplify right side
    10,366,990.70x = 144,234,494,895,547.84
  5. Step 5: Solve for x
    x = 144,234,494,895,547.84/10,366,990.70
  6. Step 6: Final answer
    x = 13,912,860.45

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Double scale
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Similar ratio
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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.