Home / 13,780,530.68-20,669,799.54-6,590,133.95

Finding the Fourth Proportional to 13,780,530.68, 20,669,799.54 and 6,590,133.95

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Solution

The fourth proportional to 13,780,530.68, 20,669,799.54 and 6,590,133.95 is: 9,884,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,530.68 : 20,669,799.54 = 6,590,133.95 : x
  2. Step 2: Convert to fraction form
    13,780,530.68/20,669,799.54 = 6,590,133.95/x
  3. Step 3: Cross multiply
    13,780,530.68x = 20,669,799.54 × 6,590,133.95
  4. Step 4: Simplify right side
    13,780,530.68x = 136,216,747,609,612.39
  5. Step 5: Solve for x
    x = 136,216,747,609,612.39/13,780,530.68
  6. Step 6: Final answer
    x = 9,884,724.39

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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.