Home / 10,815,396.48-14,909,346-8,232,578.64

Finding the Fourth Proportional to 10,815,396.48, 14,909,346 and 8,232,578.64

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Solution

The fourth proportional to 10,815,396.48, 14,909,346 and 8,232,578.64 is: 11,348,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815,396.48 : 14,909,346 = 8,232,578.64 : x
  2. Step 2: Convert to fraction form
    10,815,396.48/14,909,346 = 8,232,578.64/x
  3. Step 3: Cross multiply
    10,815,396.48x = 14,909,346 × 8,232,578.64
  4. Step 4: Simplify right side
    10,815,396.48x = 122,742,363,415,969.44
  5. Step 5: Solve for x
    x = 122,742,363,415,969.44/10,815,396.48
  6. Step 6: Final answer
    x = 11,348,854.72

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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.