Home / 9,668,628.40-14,487,196.20-7,117,711.60

Finding the Fourth Proportional to 9,668,628.40, 14,487,196.20 and 7,117,711.60

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Solution

The fourth proportional to 9,668,628.40, 14,487,196.20 and 7,117,711.60 is: 10,664,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668,628.40 : 14,487,196.20 = 7,117,711.60 : x
  2. Step 2: Convert to fraction form
    9,668,628.40/14,487,196.20 = 7,117,711.60/x
  3. Step 3: Cross multiply
    9,668,628.40x = 14,487,196.20 × 7,117,711.60
  4. Step 4: Simplify right side
    9,668,628.40x = 103,115,684,444,215.91
  5. Step 5: Solve for x
    x = 103,115,684,444,215.91/9,668,628.40
  6. Step 6: Final answer
    x = 10,664,975.44

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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.