Home / 21,818,996.69-30,108,827.97-12,028,905.77

Finding the Fourth Proportional to 21,818,996.69, 30,108,827.97 and 12,028,905.77

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Solution

The fourth proportional to 21,818,996.69, 30,108,827.97 and 12,028,905.77 is: 16,599,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818,996.69 : 30,108,827.97 = 12,028,905.77 : x
  2. Step 2: Convert to fraction form
    21,818,996.69/30,108,827.97 = 12,028,905.77/x
  3. Step 3: Cross multiply
    21,818,996.69x = 30,108,827.97 × 12,028,905.77
  4. Step 4: Simplify right side
    21,818,996.69x = 362,176,254,345,726.25
  5. Step 5: Solve for x
    x = 362,176,254,345,726.25/21,818,996.69
  6. Step 6: Final answer
    x = 16,599,125.05

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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.