Home / 12,773,195.60-19,159,793.40-12,143,339.60

Finding the Fourth Proportional to 12,773,195.60, 19,159,793.40 and 12,143,339.60

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Solution

The fourth proportional to 12,773,195.60, 19,159,793.40 and 12,143,339.60 is: 18,215,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,195.60 : 19,159,793.40 = 12,143,339.60 : x
  2. Step 2: Convert to fraction form
    12,773,195.60/19,159,793.40 = 12,143,339.60/x
  3. Step 3: Cross multiply
    12,773,195.60x = 19,159,793.40 × 12,143,339.60
  4. Step 4: Simplify right side
    12,773,195.60x = 232,663,877,922,038.62
  5. Step 5: Solve for x
    x = 232,663,877,922,038.62/12,773,195.60
  6. Step 6: Final answer
    x = 18,215,009.40

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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.