Home / 9,668,631.40-14,487,200.70-7,117,714.60

Finding the Fourth Proportional to 9,668,631.40, 14,487,200.70 and 7,117,714.60

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Solution

The fourth proportional to 9,668,631.40, 14,487,200.70 and 7,117,714.60 is: 10,664,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668,631.40 : 14,487,200.70 = 7,117,714.60 : x
  2. Step 2: Convert to fraction form
    9,668,631.40/14,487,200.70 = 7,117,714.60/x
  3. Step 3: Cross multiply
    9,668,631.40x = 14,487,200.70 × 7,117,714.60
  4. Step 4: Simplify right side
    9,668,631.40x = 103,115,759,935,520.20
  5. Step 5: Solve for x
    x = 103,115,759,935,520.20/9,668,631.40
  6. Step 6: Final answer
    x = 10,664,979.94

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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.