Home / 30,718,401.00-42,391,537.84-16,779,949.48

Finding the Fourth Proportional to 30,718,401.00, 42,391,537.84 and 16,779,949.48

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Solution

The fourth proportional to 30,718,401.00, 42,391,537.84 and 16,779,949.48 is: 23,156,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718,401.00 : 42,391,537.84 = 16,779,949.48 : x
  2. Step 2: Convert to fraction form
    30,718,401.00/42,391,537.84 = 16,779,949.48/x
  3. Step 3: Cross multiply
    30,718,401.00x = 42,391,537.84 × 16,779,949.48
  4. Step 4: Simplify right side
    30,718,401.00x = 711,327,863,408,672.75
  5. Step 5: Solve for x
    x = 711,327,863,408,672.75/30,718,401.00
  6. Step 6: Final answer
    x = 23,156,409.20

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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.