Home / 28,587,028.80-42,871,328.64-9,413,220.96

Finding the Fourth Proportional to 28,587,028.80, 42,871,328.64 and 9,413,220.96

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Solution

The fourth proportional to 28,587,028.80, 42,871,328.64 and 9,413,220.96 is: 14,116,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587,028.80 : 42,871,328.64 = 9,413,220.96 : x
  2. Step 2: Convert to fraction form
    28,587,028.80/42,871,328.64 = 9,413,220.96/x
  3. Step 3: Cross multiply
    28,587,028.80x = 42,871,328.64 × 9,413,220.96
  4. Step 4: Simplify right side
    28,587,028.80x = 403,557,289,337,096.31
  5. Step 5: Solve for x
    x = 403,557,289,337,096.31/28,587,028.80
  6. Step 6: Final answer
    x = 14,116,797.24

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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.