Home / 19,510,061.63-29,258,889.64-18,236,371.55

Finding the Fourth Proportional to 19,510,061.63, 29,258,889.64 and 18,236,371.55

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Solution

The fourth proportional to 19,510,061.63, 29,258,889.64 and 18,236,371.55 is: 27,348,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510,061.63 : 29,258,889.64 = 18,236,371.55 : x
  2. Step 2: Convert to fraction form
    19,510,061.63/29,258,889.64 = 18,236,371.55/x
  3. Step 3: Cross multiply
    19,510,061.63x = 29,258,889.64 × 18,236,371.55
  4. Step 4: Simplify right side
    19,510,061.63x = 533,575,982,378,009.50
  5. Step 5: Solve for x
    x = 533,575,982,378,009.50/19,510,061.63
  6. Step 6: Final answer
    x = 27,348,759.46

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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.