Home / 11,328,802.80-16,990,842.60-4,143,721.20

Finding the Fourth Proportional to 11,328,802.80, 16,990,842.60 and 4,143,721.20

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Solution

The fourth proportional to 11,328,802.80, 16,990,842.60 and 4,143,721.20 is: 6,214,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,802.80 : 16,990,842.60 = 4,143,721.20 : x
  2. Step 2: Convert to fraction form
    11,328,802.80/16,990,842.60 = 4,143,721.20/x
  3. Step 3: Cross multiply
    11,328,802.80x = 16,990,842.60 × 4,143,721.20
  4. Step 4: Simplify right side
    11,328,802.80x = 70,405,314,687,483.12
  5. Step 5: Solve for x
    x = 70,405,314,687,483.12/11,328,802.80
  6. Step 6: Final answer
    x = 6,214,718.00

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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.