Home / 13,504,875.24-18,636,725.52-7,309,920.72

Finding the Fourth Proportional to 13,504,875.24, 18,636,725.52 and 7,309,920.72

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Solution

The fourth proportional to 13,504,875.24, 18,636,725.52 and 7,309,920.72 is: 10,087,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,875.24 : 18,636,725.52 = 7,309,920.72 : x
  2. Step 2: Convert to fraction form
    13,504,875.24/18,636,725.52 = 7,309,920.72/x
  3. Step 3: Cross multiply
    13,504,875.24x = 18,636,725.52 × 7,309,920.72
  4. Step 4: Simplify right side
    13,504,875.24x = 136,232,986,031,600.77
  5. Step 5: Solve for x
    x = 136,232,986,031,600.77/13,504,875.24
  6. Step 6: Final answer
    x = 10,087,689.34

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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.