Home / 11,103,693.60-16,655,540.40-7,875,189.53

Finding the Fourth Proportional to 11,103,693.60, 16,655,540.40 and 7,875,189.53

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Solution

The fourth proportional to 11,103,693.60, 16,655,540.40 and 7,875,189.53 is: 11,812,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103,693.60 : 16,655,540.40 = 7,875,189.53 : x
  2. Step 2: Convert to fraction form
    11,103,693.60/16,655,540.40 = 7,875,189.53/x
  3. Step 3: Cross multiply
    11,103,693.60x = 16,655,540.40 × 7,875,189.53
  4. Step 4: Simplify right side
    11,103,693.60x = 131,165,537,374,572.02
  5. Step 5: Solve for x
    x = 131,165,537,374,572.02/11,103,693.60
  6. Step 6: Final answer
    x = 11,812,784.30

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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.