Home / 7,889,749.60-11,834,624.40-6,543,432.40

Finding the Fourth Proportional to 7,889,749.60, 11,834,624.40 and 6,543,432.40

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Solution

The fourth proportional to 7,889,749.60, 11,834,624.40 and 6,543,432.40 is: 9,815,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,749.60 : 11,834,624.40 = 6,543,432.40 : x
  2. Step 2: Convert to fraction form
    7,889,749.60/11,834,624.40 = 6,543,432.40/x
  3. Step 3: Cross multiply
    7,889,749.60x = 11,834,624.40 × 6,543,432.40
  4. Step 4: Simplify right side
    7,889,749.60x = 77,439,064,740,790.56
  5. Step 5: Solve for x
    x = 77,439,064,740,790.56/7,889,749.60
  6. Step 6: Final answer
    x = 9,815,148.60

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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.