Home / 29,315,780.86-43,959,343.71-12,039,363.86

Finding the Fourth Proportional to 29,315,780.86, 43,959,343.71 and 12,039,363.86

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Solution

The fourth proportional to 29,315,780.86, 43,959,343.71 and 12,039,363.86 is: 18,053,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315,780.86 : 43,959,343.71 = 12,039,363.86 : x
  2. Step 2: Convert to fraction form
    29,315,780.86/43,959,343.71 = 12,039,363.86/x
  3. Step 3: Cross multiply
    29,315,780.86x = 43,959,343.71 × 12,039,363.86
  4. Step 4: Simplify right side
    29,315,780.86x = 529,242,533,971,492.31
  5. Step 5: Solve for x
    x = 529,242,533,971,492.31/29,315,780.86
  6. Step 6: Final answer
    x = 18,053,161.76

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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.