Home / 30,334,520.10-45,501,780.15-13,328,408.10

Finding the Fourth Proportional to 30,334,520.10, 45,501,780.15 and 13,328,408.10

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Solution

The fourth proportional to 30,334,520.10, 45,501,780.15 and 13,328,408.10 is: 19,992,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334,520.10 : 45,501,780.15 = 13,328,408.10 : x
  2. Step 2: Convert to fraction form
    30,334,520.10/45,501,780.15 = 13,328,408.10/x
  3. Step 3: Cross multiply
    30,334,520.10x = 45,501,780.15 × 13,328,408.10
  4. Step 4: Simplify right side
    30,334,520.10x = 606,466,295,115,679.12
  5. Step 5: Solve for x
    x = 606,466,295,115,679.12/30,334,520.10
  6. Step 6: Final answer
    x = 19,992,612.15

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1.5x scale

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.