Home / 12,876,827.60-19,315,241.40-8,341,864.40

Finding the Fourth Proportional to 12,876,827.60, 19,315,241.40 and 8,341,864.40

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Solution

The fourth proportional to 12,876,827.60, 19,315,241.40 and 8,341,864.40 is: 12,512,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,827.60 : 19,315,241.40 = 8,341,864.40 : x
  2. Step 2: Convert to fraction form
    12,876,827.60/19,315,241.40 = 8,341,864.40/x
  3. Step 3: Cross multiply
    12,876,827.60x = 19,315,241.40 × 8,341,864.40
  4. Step 4: Simplify right side
    12,876,827.60x = 161,125,124,612,066.16
  5. Step 5: Solve for x
    x = 161,125,124,612,066.16/12,876,827.60
  6. Step 6: Final answer
    x = 12,512,796.60

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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.