Home / 21,748,472.76-30,012,085.58-11,958,334.44

Finding the Fourth Proportional to 21,748,472.76, 30,012,085.58 and 11,958,334.44

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Solution

The fourth proportional to 21,748,472.76, 30,012,085.58 and 11,958,334.44 is: 16,502,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748,472.76 : 30,012,085.58 = 11,958,334.44 : x
  2. Step 2: Convert to fraction form
    21,748,472.76/30,012,085.58 = 11,958,334.44/x
  3. Step 3: Cross multiply
    21,748,472.76x = 30,012,085.58 × 11,958,334.44
  4. Step 4: Simplify right side
    21,748,472.76x = 358,894,556,607,541.31
  5. Step 5: Solve for x
    x = 358,894,556,607,541.31/21,748,472.76
  6. Step 6: Final answer
    x = 16,502,057.89

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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.