Home / 8,907,842.10-13,371,211.62-7,889,781.28

Finding the Fourth Proportional to 8,907,842.10, 13,371,211.62 and 7,889,781.28

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Solution

The fourth proportional to 8,907,842.10, 13,371,211.62 and 7,889,781.28 is: 11,843,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,842.10 : 13,371,211.62 = 7,889,781.28 : x
  2. Step 2: Convert to fraction form
    8,907,842.10/13,371,211.62 = 7,889,781.28/x
  3. Step 3: Cross multiply
    8,907,842.10x = 13,371,211.62 × 7,889,781.28
  4. Step 4: Simplify right side
    8,907,842.10x = 105,495,935,130,394.47
  5. Step 5: Solve for x
    x = 105,495,935,130,394.47/8,907,842.10
  6. Step 6: Final answer
    x = 11,843,040.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.