Home / 12,301,638.30-18,452,457.45-4,728,851.10

Finding the Fourth Proportional to 12,301,638.30, 18,452,457.45 and 4,728,851.10

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Solution

The fourth proportional to 12,301,638.30, 18,452,457.45 and 4,728,851.10 is: 7,093,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,638.30 : 18,452,457.45 = 4,728,851.10 : x
  2. Step 2: Convert to fraction form
    12,301,638.30/18,452,457.45 = 4,728,851.10/x
  3. Step 3: Cross multiply
    12,301,638.30x = 18,452,457.45 × 4,728,851.10
  4. Step 4: Simplify right side
    12,301,638.30x = 87,258,923,710,135.69
  5. Step 5: Solve for x
    x = 87,258,923,710,135.69/12,301,638.30
  6. Step 6: Final answer
    x = 7,093,276.65

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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.