Home / 13,780,531.68-20,669,801.04-6,590,134.95

Finding the Fourth Proportional to 13,780,531.68, 20,669,801.04 and 6,590,134.95

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Solution

The fourth proportional to 13,780,531.68, 20,669,801.04 and 6,590,134.95 is: 9,884,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,531.68 : 20,669,801.04 = 6,590,134.95 : x
  2. Step 2: Convert to fraction form
    13,780,531.68/20,669,801.04 = 6,590,134.95/x
  3. Step 3: Cross multiply
    13,780,531.68x = 20,669,801.04 × 6,590,134.95
  4. Step 4: Simplify right side
    13,780,531.68x = 136,216,778,243,250.34
  5. Step 5: Solve for x
    x = 136,216,778,243,250.34/13,780,531.68
  6. Step 6: Final answer
    x = 9,884,725.89

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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.