Home / 12,815,828.98-17,685,897.86-6,935,463.40

Finding the Fourth Proportional to 12,815,828.98, 17,685,897.86 and 6,935,463.40

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Solution

The fourth proportional to 12,815,828.98, 17,685,897.86 and 6,935,463.40 is: 9,570,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,828.98 : 17,685,897.86 = 6,935,463.40 : x
  2. Step 2: Convert to fraction form
    12,815,828.98/17,685,897.86 = 6,935,463.40/x
  3. Step 3: Cross multiply
    12,815,828.98x = 17,685,897.86 × 6,935,463.40
  4. Step 4: Simplify right side
    12,815,828.98x = 122,659,897,304,168.33
  5. Step 5: Solve for x
    x = 122,659,897,304,168.33/12,815,828.98
  6. Step 6: Final answer
    x = 9,570,968.64

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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.