Home / 10,779,724.80-16,169,587.20-10,401,811.20

Finding the Fourth Proportional to 10,779,724.80, 16,169,587.20 and 10,401,811.20

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Solution

The fourth proportional to 10,779,724.80, 16,169,587.20 and 10,401,811.20 is: 15,602,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,724.80 : 16,169,587.20 = 10,401,811.20 : x
  2. Step 2: Convert to fraction form
    10,779,724.80/16,169,587.20 = 10,401,811.20/x
  3. Step 3: Cross multiply
    10,779,724.80x = 16,169,587.20 × 10,401,811.20
  4. Step 4: Simplify right side
    10,779,724.80x = 168,192,993,236,336.62
  5. Step 5: Solve for x
    x = 168,192,993,236,336.62/10,779,724.80
  6. Step 6: Final answer
    x = 15,602,716.80

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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.