Home / 19,538,498.84-26,931,984.64-15,401,788.34

Finding the Fourth Proportional to 19,538,498.84, 26,931,984.64 and 15,401,788.34

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Solution

The fourth proportional to 19,538,498.84, 26,931,984.64 and 15,401,788.34 is: 21,229,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,498.84 : 26,931,984.64 = 15,401,788.34 : x
  2. Step 2: Convert to fraction form
    19,538,498.84/26,931,984.64 = 15,401,788.34/x
  3. Step 3: Cross multiply
    19,538,498.84x = 26,931,984.64 × 15,401,788.34
  4. Step 4: Simplify right side
    19,538,498.84x = 414,800,726,828,246.69
  5. Step 5: Solve for x
    x = 414,800,726,828,246.69/19,538,498.84
  6. Step 6: Final answer
    x = 21,229,917.93

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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.