Home / 10,890,776.40-16,336,164.60-10,069,630.80

Finding the Fourth Proportional to 10,890,776.40, 16,336,164.60 and 10,069,630.80

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Solution

The fourth proportional to 10,890,776.40, 16,336,164.60 and 10,069,630.80 is: 15,104,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,776.40 : 16,336,164.60 = 10,069,630.80 : x
  2. Step 2: Convert to fraction form
    10,890,776.40/16,336,164.60 = 10,069,630.80/x
  3. Step 3: Cross multiply
    10,890,776.40x = 16,336,164.60 × 10,069,630.80
  4. Step 4: Simplify right side
    10,890,776.40x = 164,499,146,210,029.69
  5. Step 5: Solve for x
    x = 164,499,146,210,029.69/10,890,776.40
  6. Step 6: Final answer
    x = 15,104,446.20

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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.