Home / 19,186,989.90-28,776,337.65-8,404,269.90

Finding the Fourth Proportional to 19,186,989.90, 28,776,337.65 and 8,404,269.90

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Solution

The fourth proportional to 19,186,989.90, 28,776,337.65 and 8,404,269.90 is: 12,604,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,989.90 : 28,776,337.65 = 8,404,269.90 : x
  2. Step 2: Convert to fraction form
    19,186,989.90/28,776,337.65 = 8,404,269.90/x
  3. Step 3: Cross multiply
    19,186,989.90x = 28,776,337.65 × 8,404,269.90
  4. Step 4: Simplify right side
    19,186,989.90x = 241,844,108,344,131.72
  5. Step 5: Solve for x
    x = 241,844,108,344,131.72/19,186,989.90
  6. Step 6: Final answer
    x = 12,604,588.30

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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.