Home / 30,165,064-41,627,438.40-16,413,791.20

Finding the Fourth Proportional to 30,165,064, 41,627,438.40 and 16,413,791.20

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Solution

The fourth proportional to 30,165,064, 41,627,438.40 and 16,413,791.20 is: 22,650,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,064 : 41,627,438.40 = 16,413,791.20 : x
  2. Step 2: Convert to fraction form
    30,165,064/41,627,438.40 = 16,413,791.20/x
  3. Step 3: Cross multiply
    30,165,064x = 41,627,438.40 × 16,413,791.20
  4. Step 4: Simplify right side
    30,165,064x = 683,264,082,088,462
  5. Step 5: Solve for x
    x = 683,264,082,088,462/30,165,064
  6. Step 6: Final answer
    x = 22,650,841.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.