Home / 10,991,036.40-16,486,554.60-5,322,332.40

Finding the Fourth Proportional to 10,991,036.40, 16,486,554.60 and 5,322,332.40

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Solution

The fourth proportional to 10,991,036.40, 16,486,554.60 and 5,322,332.40 is: 7,983,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,036.40 : 16,486,554.60 = 5,322,332.40 : x
  2. Step 2: Convert to fraction form
    10,991,036.40/16,486,554.60 = 5,322,332.40/x
  3. Step 3: Cross multiply
    10,991,036.40x = 16,486,554.60 × 5,322,332.40
  4. Step 4: Simplify right side
    10,991,036.40x = 87,746,923,711,949.05
  5. Step 5: Solve for x
    x = 87,746,923,711,949.05/10,991,036.40
  6. Step 6: Final answer
    x = 7,983,498.60

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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.