Home / 7,161,339.80-10,742,009.70-6,850,348.40

Finding the Fourth Proportional to 7,161,339.80, 10,742,009.70 and 6,850,348.40

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Solution

The fourth proportional to 7,161,339.80, 10,742,009.70 and 6,850,348.40 is: 10,275,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,339.80 : 10,742,009.70 = 6,850,348.40 : x
  2. Step 2: Convert to fraction form
    7,161,339.80/10,742,009.70 = 6,850,348.40/x
  3. Step 3: Cross multiply
    7,161,339.80x = 10,742,009.70 × 6,850,348.40
  4. Step 4: Simplify right side
    7,161,339.80x = 73,586,508,961,179.48
  5. Step 5: Solve for x
    x = 73,586,508,961,179.48/7,161,339.80
  6. Step 6: Final answer
    x = 10,275,522.60

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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.