Home / 12,310,023.77-16,988,478.60-7,416,781.37

Finding the Fourth Proportional to 12,310,023.77, 16,988,478.60 and 7,416,781.37

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Solution

The fourth proportional to 12,310,023.77, 16,988,478.60 and 7,416,781.37 is: 10,235,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,023.77 : 16,988,478.60 = 7,416,781.37 : x
  2. Step 2: Convert to fraction form
    12,310,023.77/16,988,478.60 = 7,416,781.37/x
  3. Step 3: Cross multiply
    12,310,023.77x = 16,988,478.60 × 7,416,781.37
  4. Step 4: Simplify right side
    12,310,023.77x = 125,999,831,500,181.30
  5. Step 5: Solve for x
    x = 125,999,831,500,181.30/12,310,023.77
  6. Step 6: Final answer
    x = 10,235,547.38

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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.