Home / 13,178,569.14-19,780,636.59-6,359,940.90

Finding the Fourth Proportional to 13,178,569.14, 19,780,636.59 and 6,359,940.90

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Solution

The fourth proportional to 13,178,569.14, 19,780,636.59 and 6,359,940.90 is: 9,546,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,569.14 : 19,780,636.59 = 6,359,940.90 : x
  2. Step 2: Convert to fraction form
    13,178,569.14/19,780,636.59 = 6,359,940.90/x
  3. Step 3: Cross multiply
    13,178,569.14x = 19,780,636.59 × 6,359,940.90
  4. Step 4: Simplify right side
    13,178,569.14x = 125,803,679,676,777.53
  5. Step 5: Solve for x
    x = 125,803,679,676,777.53/13,178,569.14
  6. Step 6: Final answer
    x = 9,546,080.33

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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.