Home / 8,911,985.86-12,298,736.01-5,427,487.94

Finding the Fourth Proportional to 8,911,985.86, 12,298,736.01 and 5,427,487.94

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Solution

The fourth proportional to 8,911,985.86, 12,298,736.01 and 5,427,487.94 is: 7,490,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,985.86 : 12,298,736.01 = 5,427,487.94 : x
  2. Step 2: Convert to fraction form
    8,911,985.86/12,298,736.01 = 5,427,487.94/x
  3. Step 3: Cross multiply
    8,911,985.86x = 12,298,736.01 × 5,427,487.94
  4. Step 4: Simplify right side
    8,911,985.86x = 66,751,241,371,518.73
  5. Step 5: Solve for x
    x = 66,751,241,371,518.73/8,911,985.86
  6. Step 6: Final answer
    x = 7,490,052.43

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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.