Home / 13,141,097.20-18,134,521.14-7,339,963.60

Finding the Fourth Proportional to 13,141,097.20, 18,134,521.14 and 7,339,963.60

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Solution

The fourth proportional to 13,141,097.20, 18,134,521.14 and 7,339,963.60 is: 10,129,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,097.20 : 18,134,521.14 = 7,339,963.60 : x
  2. Step 2: Convert to fraction form
    13,141,097.20/18,134,521.14 = 7,339,963.60/x
  3. Step 3: Cross multiply
    13,141,097.20x = 18,134,521.14 × 7,339,963.60
  4. Step 4: Simplify right side
    13,141,097.20x = 133,106,725,071,030.50
  5. Step 5: Solve for x
    x = 133,106,725,071,030.50/13,141,097.20
  6. Step 6: Final answer
    x = 10,129,041.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.