Home / 13,262,970.78-19,894,455.06-3,678,349.14

Finding the Fourth Proportional to 13,262,970.78, 19,894,455.06 and 3,678,349.14

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Solution

The fourth proportional to 13,262,970.78, 19,894,455.06 and 3,678,349.14 is: 5,517,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,970.78 : 19,894,455.06 = 3,678,349.14 : x
  2. Step 2: Convert to fraction form
    13,262,970.78/19,894,455.06 = 3,678,349.14/x
  3. Step 3: Cross multiply
    13,262,970.78x = 19,894,455.06 × 3,678,349.14
  4. Step 4: Simplify right side
    13,262,970.78x = 73,178,751,660,719.64
  5. Step 5: Solve for x
    x = 73,178,751,660,719.64/13,262,970.78
  6. Step 6: Final answer
    x = 5,517,523.40

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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.