Home / 7,345,101.60-11,017,652.40-7,187,637.60

Finding the Fourth Proportional to 7,345,101.60, 11,017,652.40 and 7,187,637.60

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Solution

The fourth proportional to 7,345,101.60, 11,017,652.40 and 7,187,637.60 is: 10,781,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,101.60 : 11,017,652.40 = 7,187,637.60 : x
  2. Step 2: Convert to fraction form
    7,345,101.60/11,017,652.40 = 7,187,637.60/x
  3. Step 3: Cross multiply
    7,345,101.60x = 11,017,652.40 × 7,187,637.60
  4. Step 4: Simplify right side
    7,345,101.60x = 79,190,892,653,970.23
  5. Step 5: Solve for x
    x = 79,190,892,653,970.23/7,345,101.60
  6. Step 6: Final answer
    x = 10,781,456.40

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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.