Home / 7,460,836.40-11,191,254.60-6,872,970.80

Finding the Fourth Proportional to 7,460,836.40, 11,191,254.60 and 6,872,970.80

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Solution

The fourth proportional to 7,460,836.40, 11,191,254.60 and 6,872,970.80 is: 10,309,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460,836.40 : 11,191,254.60 = 6,872,970.80 : x
  2. Step 2: Convert to fraction form
    7,460,836.40/11,191,254.60 = 6,872,970.80/x
  3. Step 3: Cross multiply
    7,460,836.40x = 11,191,254.60 × 6,872,970.80
  4. Step 4: Simplify right side
    7,460,836.40x = 76,917,166,081,165.67
  5. Step 5: Solve for x
    x = 76,917,166,081,165.67/7,460,836.40
  6. Step 6: Final answer
    x = 10,309,456.20

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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.