Home / 12,903,717.60-19,355,576.40-4,393,663.20

Finding the Fourth Proportional to 12,903,717.60, 19,355,576.40 and 4,393,663.20

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Solution

The fourth proportional to 12,903,717.60, 19,355,576.40 and 4,393,663.20 is: 6,590,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,717.60 : 19,355,576.40 = 4,393,663.20 : x
  2. Step 2: Convert to fraction form
    12,903,717.60/19,355,576.40 = 4,393,663.20/x
  3. Step 3: Cross multiply
    12,903,717.60x = 19,355,576.40 × 4,393,663.20
  4. Step 4: Simplify right side
    12,903,717.60x = 85,041,883,743,468.48
  5. Step 5: Solve for x
    x = 85,041,883,743,468.48/12,903,717.60
  6. Step 6: Final answer
    x = 6,590,494.80

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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.