Home / 21,580,348.49-29,780,533.36-11,790,582.47

Finding the Fourth Proportional to 21,580,348.49, 29,780,533.36 and 11,790,582.47

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Solution

The fourth proportional to 21,580,348.49, 29,780,533.36 and 11,790,582.47 is: 16,270,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,348.49 : 29,780,533.36 = 11,790,582.47 : x
  2. Step 2: Convert to fraction form
    21,580,348.49/29,780,533.36 = 11,790,582.47/x
  3. Step 3: Cross multiply
    21,580,348.49x = 29,780,533.36 × 11,790,582.47
  4. Step 4: Simplify right side
    21,580,348.49x = 351,129,834,581,666.19
  5. Step 5: Solve for x
    x = 351,129,834,581,666.19/21,580,348.49
  6. Step 6: Final answer
    x = 16,270,813.92

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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.