Home / 11,780,445.40-17,645,784.90-9,789,789.40

Finding the Fourth Proportional to 11,780,445.40, 17,645,784.90 and 9,789,789.40

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Solution

The fourth proportional to 11,780,445.40, 17,645,784.90 and 9,789,789.40 is: 14,664,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,445.40 : 17,645,784.90 = 9,789,789.40 : x
  2. Step 2: Convert to fraction form
    11,780,445.40/17,645,784.90 = 9,789,789.40/x
  3. Step 3: Cross multiply
    11,780,445.40x = 17,645,784.90 × 9,789,789.40
  4. Step 4: Simplify right side
    11,780,445.40x = 172,748,517,968,700.06
  5. Step 5: Solve for x
    x = 172,748,517,968,700.06/11,780,445.40
  6. Step 6: Final answer
    x = 14,664,005.66

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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.