Home / 12,954,837.40-19,422,924.90-7,276,802.20

Finding the Fourth Proportional to 12,954,837.40, 19,422,924.90 and 7,276,802.20

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Solution

The fourth proportional to 12,954,837.40, 19,422,924.90 and 7,276,802.20 is: 10,909,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,837.40 : 19,422,924.90 = 7,276,802.20 : x
  2. Step 2: Convert to fraction form
    12,954,837.40/19,422,924.90 = 7,276,802.20/x
  3. Step 3: Cross multiply
    12,954,837.40x = 19,422,924.90 × 7,276,802.20
  4. Step 4: Simplify right side
    12,954,837.40x = 141,336,782,642,754.78
  5. Step 5: Solve for x
    x = 141,336,782,642,754.78/12,954,837.40
  6. Step 6: Final answer
    x = 10,909,961.91

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1.5x scale

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.