Home / 30,353,916.40-45,515,128.20-11,174,801.20

Finding the Fourth Proportional to 30,353,916.40, 45,515,128.20 and 11,174,801.20

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Solution

The fourth proportional to 30,353,916.40, 45,515,128.20 and 11,174,801.20 is: 16,756,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,916.40 : 45,515,128.20 = 11,174,801.20 : x
  2. Step 2: Convert to fraction form
    30,353,916.40/45,515,128.20 = 11,174,801.20/x
  3. Step 3: Cross multiply
    30,353,916.40x = 45,515,128.20 × 11,174,801.20
  4. Step 4: Simplify right side
    30,353,916.40x = 508,622,509,227,513.81
  5. Step 5: Solve for x
    x = 508,622,509,227,513.81/30,353,916.40
  6. Step 6: Final answer
    x = 16,756,404.76

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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.