Home / 13,746,742.40-20,614,864.80-4,158,934.40

Finding the Fourth Proportional to 13,746,742.40, 20,614,864.80 and 4,158,934.40

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Solution

The fourth proportional to 13,746,742.40, 20,614,864.80 and 4,158,934.40 is: 6,236,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,742.40 : 20,614,864.80 = 4,158,934.40 : x
  2. Step 2: Convert to fraction form
    13,746,742.40/20,614,864.80 = 4,158,934.40/x
  3. Step 3: Cross multiply
    13,746,742.40x = 20,614,864.80 × 4,158,934.40
  4. Step 4: Simplify right side
    13,746,742.40x = 85,735,870,368,069.12
  5. Step 5: Solve for x
    x = 85,735,870,368,069.12/13,746,742.40
  6. Step 6: Final answer
    x = 6,236,813.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.