Home / 8,911,985.36-12,298,735.32-5,427,487.44

Finding the Fourth Proportional to 8,911,985.36, 12,298,735.32 and 5,427,487.44

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Solution

The fourth proportional to 8,911,985.36, 12,298,735.32 and 5,427,487.44 is: 7,490,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,985.36 : 12,298,735.32 = 5,427,487.44 : x
  2. Step 2: Convert to fraction form
    8,911,985.36/12,298,735.32 = 5,427,487.44/x
  3. Step 3: Cross multiply
    8,911,985.36x = 12,298,735.32 × 5,427,487.44
  4. Step 4: Simplify right side
    8,911,985.36x = 66,751,231,477,184.39
  5. Step 5: Solve for x
    x = 66,751,231,477,184.39/8,911,985.36
  6. Step 6: Final answer
    x = 7,490,051.74

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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.