Home / 19,164,518.60-28,746,777.90-12,362,073.80

Finding the Fourth Proportional to 19,164,518.60, 28,746,777.90 and 12,362,073.80

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Solution

The fourth proportional to 19,164,518.60, 28,746,777.90 and 12,362,073.80 is: 18,543,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,518.60 : 28,746,777.90 = 12,362,073.80 : x
  2. Step 2: Convert to fraction form
    19,164,518.60/28,746,777.90 = 12,362,073.80/x
  3. Step 3: Cross multiply
    19,164,518.60x = 28,746,777.90 × 12,362,073.80
  4. Step 4: Simplify right side
    19,164,518.60x = 355,369,789,912,009
  5. Step 5: Solve for x
    x = 355,369,789,912,009/19,164,518.60
  6. Step 6: Final answer
    x = 18,543,110.70

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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.