Home / 30,886,418.60-46,329,627.90-8,169,612.20

Finding the Fourth Proportional to 30,886,418.60, 46,329,627.90 and 8,169,612.20

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Solution

The fourth proportional to 30,886,418.60, 46,329,627.90 and 8,169,612.20 is: 12,254,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886,418.60 : 46,329,627.90 = 8,169,612.20 : x
  2. Step 2: Convert to fraction form
    30,886,418.60/46,329,627.90 = 8,169,612.20/x
  3. Step 3: Cross multiply
    30,886,418.60x = 46,329,627.90 × 8,169,612.20
  4. Step 4: Simplify right side
    30,886,418.60x = 378,495,093,313,300.38
  5. Step 5: Solve for x
    x = 378,495,093,313,300.38/30,886,418.60
  6. Step 6: Final answer
    x = 12,254,418.30

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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.