Home / 25,179,947.60-37,779,252.60-8,141,176.40

Finding the Fourth Proportional to 25,179,947.60, 37,779,252.60 and 8,141,176.40

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Solution

The fourth proportional to 25,179,947.60, 37,779,252.60 and 8,141,176.40 is: 12,214,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,179,947.60 : 37,779,252.60 = 8,141,176.40 : x
  2. Step 2: Convert to fraction form
    25,179,947.60/37,779,252.60 = 8,141,176.40/x
  3. Step 3: Cross multiply
    25,179,947.60x = 37,779,252.60 × 8,141,176.40
  4. Step 4: Simplify right side
    25,179,947.60x = 307,567,559,676,758.69
  5. Step 5: Solve for x
    x = 307,567,559,676,758.69/25,179,947.60
  6. Step 6: Final answer
    x = 12,214,781.56

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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.