Home / 21,790,994.84-30,069,347.48-13,417,034.72

Finding the Fourth Proportional to 21,790,994.84, 30,069,347.48 and 13,417,034.72

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Solution

The fourth proportional to 21,790,994.84, 30,069,347.48 and 13,417,034.72 is: 18,514,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,994.84 : 30,069,347.48 = 13,417,034.72 : x
  2. Step 2: Convert to fraction form
    21,790,994.84/30,069,347.48 = 13,417,034.72/x
  3. Step 3: Cross multiply
    21,790,994.84x = 30,069,347.48 × 13,417,034.72
  4. Step 4: Simplify right side
    21,790,994.84x = 403,441,478,929,472.62
  5. Step 5: Solve for x
    x = 403,441,478,929,472.62/21,790,994.84
  6. Step 6: Final answer
    x = 18,514,137.70

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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.