Home / 9,648,780.89-13,310,291.71-7,815,309.44

Finding the Fourth Proportional to 9,648,780.89, 13,310,291.71 and 7,815,309.44

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Solution

The fourth proportional to 9,648,780.89, 13,310,291.71 and 7,815,309.44 is: 10,781,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648,780.89 : 13,310,291.71 = 7,815,309.44 : x
  2. Step 2: Convert to fraction form
    9,648,780.89/13,310,291.71 = 7,815,309.44/x
  3. Step 3: Cross multiply
    9,648,780.89x = 13,310,291.71 × 7,815,309.44
  4. Step 4: Simplify right side
    9,648,780.89x = 104,024,048,464,054.19
  5. Step 5: Solve for x
    x = 104,024,048,464,054.19/9,648,780.89
  6. Step 6: Final answer
    x = 10,781,056.14

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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.