Home / 10,768,986.40-16,153,479.60-9,706,104.40

Finding the Fourth Proportional to 10,768,986.40, 16,153,479.60 and 9,706,104.40

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Solution

The fourth proportional to 10,768,986.40, 16,153,479.60 and 9,706,104.40 is: 14,559,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768,986.40 : 16,153,479.60 = 9,706,104.40 : x
  2. Step 2: Convert to fraction form
    10,768,986.40/16,153,479.60 = 9,706,104.40/x
  3. Step 3: Cross multiply
    10,768,986.40x = 16,153,479.60 × 9,706,104.40
  4. Step 4: Simplify right side
    10,768,986.40x = 156,787,359,420,870.25
  5. Step 5: Solve for x
    x = 156,787,359,420,870.25/10,768,986.40
  6. Step 6: Final answer
    x = 14,559,156.60

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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.