Home / 19,186,989.40-28,776,336.90-8,404,269.40

Finding the Fourth Proportional to 19,186,989.40, 28,776,336.90 and 8,404,269.40

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Solution

The fourth proportional to 19,186,989.40, 28,776,336.90 and 8,404,269.40 is: 12,604,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,989.40 : 28,776,336.90 = 8,404,269.40 : x
  2. Step 2: Convert to fraction form
    19,186,989.40/28,776,336.90 = 8,404,269.40/x
  3. Step 3: Cross multiply
    19,186,989.40x = 28,776,336.90 × 8,404,269.40
  4. Step 4: Simplify right side
    19,186,989.40x = 241,844,087,652,760.84
  5. Step 5: Solve for x
    x = 241,844,087,652,760.84/19,186,989.40
  6. Step 6: Final answer
    x = 12,604,587.55

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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.