Home / 7,641,965.20-11,462,947.80-7,348,032.40

Finding the Fourth Proportional to 7,641,965.20, 11,462,947.80 and 7,348,032.40

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Solution

The fourth proportional to 7,641,965.20, 11,462,947.80 and 7,348,032.40 is: 11,022,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,965.20 : 11,462,947.80 = 7,348,032.40 : x
  2. Step 2: Convert to fraction form
    7,641,965.20/11,462,947.80 = 7,348,032.40/x
  3. Step 3: Cross multiply
    7,641,965.20x = 11,462,947.80 × 7,348,032.40
  4. Step 4: Simplify right side
    7,641,965.20x = 84,230,111,833,908.73
  5. Step 5: Solve for x
    x = 84,230,111,833,908.73/7,641,965.20
  6. Step 6: Final answer
    x = 11,022,048.60

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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.