Home / 10,692,914.40-16,039,371.60-6,441,386.40

Finding the Fourth Proportional to 10,692,914.40, 16,039,371.60 and 6,441,386.40

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Solution

The fourth proportional to 10,692,914.40, 16,039,371.60 and 6,441,386.40 is: 9,662,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,914.40 : 16,039,371.60 = 6,441,386.40 : x
  2. Step 2: Convert to fraction form
    10,692,914.40/16,039,371.60 = 6,441,386.40/x
  3. Step 3: Cross multiply
    10,692,914.40x = 16,039,371.60 × 6,441,386.40
  4. Step 4: Simplify right side
    10,692,914.40x = 103,315,790,088,786.25
  5. Step 5: Solve for x
    x = 103,315,790,088,786.25/10,692,914.40
  6. Step 6: Final answer
    x = 9,662,079.60

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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.