Home / 19,164,688.60-28,747,032.90-12,362,243.80

Finding the Fourth Proportional to 19,164,688.60, 28,747,032.90 and 12,362,243.80

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Solution

The fourth proportional to 19,164,688.60, 28,747,032.90 and 12,362,243.80 is: 18,543,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,688.60 : 28,747,032.90 = 12,362,243.80 : x
  2. Step 2: Convert to fraction form
    19,164,688.60/28,747,032.90 = 12,362,243.80/x
  3. Step 3: Cross multiply
    19,164,688.60x = 28,747,032.90 × 12,362,243.80
  4. Step 4: Simplify right side
    19,164,688.60x = 355,377,829,236,421
  5. Step 5: Solve for x
    x = 355,377,829,236,421/19,164,688.60
  6. Step 6: Final answer
    x = 18,543,365.70

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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.