Home / 8,905,980.90-12,282,658.62-6,845,987.28

Finding the Fourth Proportional to 8,905,980.90, 12,282,658.62 and 6,845,987.28

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Solution

The fourth proportional to 8,905,980.90, 12,282,658.62 and 6,845,987.28 is: 9,441,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,980.90 : 12,282,658.62 = 6,845,987.28 : x
  2. Step 2: Convert to fraction form
    8,905,980.90/12,282,658.62 = 6,845,987.28/x
  3. Step 3: Cross multiply
    8,905,980.90x = 12,282,658.62 × 6,845,987.28
  4. Step 4: Simplify right side
    8,905,980.90x = 84,086,924,677,102.34
  5. Step 5: Solve for x
    x = 84,086,924,677,102.34/8,905,980.90
  6. Step 6: Final answer
    x = 9,441,624.19

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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.