Home / 12,590,610.80-18,885,916.20-5,023,007.60

Finding the Fourth Proportional to 12,590,610.80, 18,885,916.20 and 5,023,007.60

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Solution

The fourth proportional to 12,590,610.80, 18,885,916.20 and 5,023,007.60 is: 7,534,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,610.80 : 18,885,916.20 = 5,023,007.60 : x
  2. Step 2: Convert to fraction form
    12,590,610.80/18,885,916.20 = 5,023,007.60/x
  3. Step 3: Cross multiply
    12,590,610.80x = 18,885,916.20 × 5,023,007.60
  4. Step 4: Simplify right side
    12,590,610.80x = 94,864,100,605,563.11
  5. Step 5: Solve for x
    x = 94,864,100,605,563.11/12,590,610.80
  6. Step 6: Final answer
    x = 7,534,511.40

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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.