Home / 18,111,028.22-24,990,948.92-12,243,427.50

Finding the Fourth Proportional to 18,111,028.22, 24,990,948.92 and 12,243,427.50

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Solution

The fourth proportional to 18,111,028.22, 24,990,948.92 and 12,243,427.50 is: 16,894,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,028.22 : 24,990,948.92 = 12,243,427.50 : x
  2. Step 2: Convert to fraction form
    18,111,028.22/24,990,948.92 = 12,243,427.50/x
  3. Step 3: Cross multiply
    18,111,028.22x = 24,990,948.92 × 12,243,427.50
  4. Step 4: Simplify right side
    18,111,028.22x = 305,974,871,382,547.94
  5. Step 5: Solve for x
    x = 305,974,871,382,547.94/18,111,028.22
  6. Step 6: Final answer
    x = 16,894,395.38

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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.