Home / 11,643,919.95-16,068,719.25-6,417,116.31

Finding the Fourth Proportional to 11,643,919.95, 16,068,719.25 and 6,417,116.31

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Solution

The fourth proportional to 11,643,919.95, 16,068,719.25 and 6,417,116.31 is: 8,855,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643,919.95 : 16,068,719.25 = 6,417,116.31 : x
  2. Step 2: Convert to fraction form
    11,643,919.95/16,068,719.25 = 6,417,116.31/x
  3. Step 3: Cross multiply
    11,643,919.95x = 16,068,719.25 × 6,417,116.31
  4. Step 4: Simplify right side
    11,643,919.95x = 103,114,840,352,422.02
  5. Step 5: Solve for x
    x = 103,114,840,352,422.02/11,643,919.95
  6. Step 6: Final answer
    x = 8,855,680.97

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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.