Home / 20,160,929.05-30,241,393.58-11,657,873.05

Finding the Fourth Proportional to 20,160,929.05, 30,241,393.58 and 11,657,873.05

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Solution

The fourth proportional to 20,160,929.05, 30,241,393.58 and 11,657,873.05 is: 17,486,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,929.05 : 30,241,393.58 = 11,657,873.05 : x
  2. Step 2: Convert to fraction form
    20,160,929.05/30,241,393.58 = 11,657,873.05/x
  3. Step 3: Cross multiply
    20,160,929.05x = 30,241,393.58 × 11,657,873.05
  4. Step 4: Simplify right side
    20,160,929.05x = 352,550,327,152,435.69
  5. Step 5: Solve for x
    x = 352,550,327,152,435.69/20,160,929.05
  6. Step 6: Final answer
    x = 17,486,809.58

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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.