Home / 19,162,337.40-28,743,506.10-12,359,892.60

Finding the Fourth Proportional to 19,162,337.40, 28,743,506.10 and 12,359,892.60

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Solution

The fourth proportional to 19,162,337.40, 28,743,506.10 and 12,359,892.60 is: 18,539,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,337.40 : 28,743,506.10 = 12,359,892.60 : x
  2. Step 2: Convert to fraction form
    19,162,337.40/28,743,506.10 = 12,359,892.60/x
  3. Step 3: Cross multiply
    19,162,337.40x = 28,743,506.10 × 12,359,892.60
  4. Step 4: Simplify right side
    19,162,337.40x = 355,266,648,343,444.88
  5. Step 5: Solve for x
    x = 355,266,648,343,444.88/19,162,337.40
  6. Step 6: Final answer
    x = 18,539,838.90

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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.