Home / 9,669,346.40-14,488,273.20-7,118,429.60

Finding the Fourth Proportional to 9,669,346.40, 14,488,273.20 and 7,118,429.60

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Solution

The fourth proportional to 9,669,346.40, 14,488,273.20 and 7,118,429.60 is: 10,666,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669,346.40 : 14,488,273.20 = 7,118,429.60 : x
  2. Step 2: Convert to fraction form
    9,669,346.40/14,488,273.20 = 7,118,429.60/x
  3. Step 3: Cross multiply
    9,669,346.40x = 14,488,273.20 × 7,118,429.60
  4. Step 4: Simplify right side
    9,669,346.40x = 103,133,752,799,766.70
  5. Step 5: Solve for x
    x = 103,133,752,799,766.70/9,669,346.40
  6. Step 6: Final answer
    x = 10,666,052.13

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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.