Home / 18,171,802.02-25,077,105.54-10,438,340.52

Finding the Fourth Proportional to 18,171,802.02, 25,077,105.54 and 10,438,340.52

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Solution

The fourth proportional to 18,171,802.02, 25,077,105.54 and 10,438,340.52 is: 14,404,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,802.02 : 25,077,105.54 = 10,438,340.52 : x
  2. Step 2: Convert to fraction form
    18,171,802.02/25,077,105.54 = 10,438,340.52/x
  3. Step 3: Cross multiply
    18,171,802.02x = 25,077,105.54 × 10,438,340.52
  4. Step 4: Simplify right side
    18,171,802.02x = 261,763,366,882,498.47
  5. Step 5: Solve for x
    x = 261,763,366,882,498.47/18,171,802.02
  6. Step 6: Final answer
    x = 14,404,920.69

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1.5x scale

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.