Home / 10,778,882.30-16,168,323.45-5,388,364.70

Finding the Fourth Proportional to 10,778,882.30, 16,168,323.45 and 5,388,364.70

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Solution

The fourth proportional to 10,778,882.30, 16,168,323.45 and 5,388,364.70 is: 8,082,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,882.30 : 16,168,323.45 = 5,388,364.70 : x
  2. Step 2: Convert to fraction form
    10,778,882.30/16,168,323.45 = 5,388,364.70/x
  3. Step 3: Cross multiply
    10,778,882.30x = 16,168,323.45 × 5,388,364.70
  4. Step 4: Simplify right side
    10,778,882.30x = 87,120,823,336,162.22
  5. Step 5: Solve for x
    x = 87,120,823,336,162.22/10,778,882.30
  6. Step 6: Final answer
    x = 8,082,547.05

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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.