Home / 20,553,393.84-28,362,353.40-11,260,951.20

Finding the Fourth Proportional to 20,553,393.84, 28,362,353.40 and 11,260,951.20

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Solution

The fourth proportional to 20,553,393.84, 28,362,353.40 and 11,260,951.20 is: 15,539,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,393.84 : 28,362,353.40 = 11,260,951.20 : x
  2. Step 2: Convert to fraction form
    20,553,393.84/28,362,353.40 = 11,260,951.20/x
  3. Step 3: Cross multiply
    20,553,393.84x = 28,362,353.40 × 11,260,951.20
  4. Step 4: Simplify right side
    20,553,393.84x = 319,387,077,554,554.06
  5. Step 5: Solve for x
    x = 319,387,077,554,554.06/20,553,393.84
  6. Step 6: Final answer
    x = 15,539,383.91

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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.