Home / 12,765,153.60-19,157,061.60-8,986,017.60

Finding the Fourth Proportional to 12,765,153.60, 19,157,061.60 and 8,986,017.60

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Solution

The fourth proportional to 12,765,153.60, 19,157,061.60 and 8,986,017.60 is: 13,485,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,153.60 : 19,157,061.60 = 8,986,017.60 : x
  2. Step 2: Convert to fraction form
    12,765,153.60/19,157,061.60 = 8,986,017.60/x
  3. Step 3: Cross multiply
    12,765,153.60x = 19,157,061.60 × 8,986,017.60
  4. Step 4: Simplify right side
    12,765,153.60x = 172,145,692,701,884.16
  5. Step 5: Solve for x
    x = 172,145,692,701,884.16/12,765,153.60
  6. Step 6: Final answer
    x = 13,485,595.09

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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.