Home / 30,369,916.80-45,558,871.20-11,214,129.60

Finding the Fourth Proportional to 30,369,916.80, 45,558,871.20 and 11,214,129.60

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Solution

The fourth proportional to 30,369,916.80, 45,558,871.20 and 11,214,129.60 is: 16,822,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369,916.80 : 45,558,871.20 = 11,214,129.60 : x
  2. Step 2: Convert to fraction form
    30,369,916.80/45,558,871.20 = 11,214,129.60/x
  3. Step 3: Cross multiply
    30,369,916.80x = 45,558,871.20 × 11,214,129.60
  4. Step 4: Simplify right side
    30,369,916.80x = 510,903,086,066,507.56
  5. Step 5: Solve for x
    x = 510,903,086,066,507.56/30,369,916.80
  6. Step 6: Final answer
    x = 16,822,669.93

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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.