Home / 18,200,267.81-25,116,913.50-9,940,719.74

Finding the Fourth Proportional to 18,200,267.81, 25,116,913.50 and 9,940,719.74

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Solution

The fourth proportional to 18,200,267.81, 25,116,913.50 and 9,940,719.74 is: 13,718,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200,267.81 : 25,116,913.50 = 9,940,719.74 : x
  2. Step 2: Convert to fraction form
    18,200,267.81/25,116,913.50 = 9,940,719.74/x
  3. Step 3: Cross multiply
    18,200,267.81x = 25,116,913.50 × 9,940,719.74
  4. Step 4: Simplify right side
    18,200,267.81x = 249,680,197,942,300.72
  5. Step 5: Solve for x
    x = 249,680,197,942,300.72/18,200,267.81
  6. Step 6: Final answer
    x = 13,718,490.33

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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.