Home / 8,889,894.40-12,268,113.16-4,815,513.36

Finding the Fourth Proportional to 8,889,894.40, 12,268,113.16 and 4,815,513.36

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Solution

The fourth proportional to 8,889,894.40, 12,268,113.16 and 4,815,513.36 is: 6,645,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,894.40 : 12,268,113.16 = 4,815,513.36 : x
  2. Step 2: Convert to fraction form
    8,889,894.40/12,268,113.16 = 4,815,513.36/x
  3. Step 3: Cross multiply
    8,889,894.40x = 12,268,113.16 × 4,815,513.36
  4. Step 4: Simplify right side
    8,889,894.40x = 59,077,262,823,971.82
  5. Step 5: Solve for x
    x = 59,077,262,823,971.82/8,889,894.40
  6. Step 6: Final answer
    x = 6,645,440.34

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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.