Home / 9,920,038.78-14,880,999.28-3,855,239.02

Finding the Fourth Proportional to 9,920,038.78, 14,880,999.28 and 3,855,239.02

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Solution

The fourth proportional to 9,920,038.78, 14,880,999.28 and 3,855,239.02 is: 5,783,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,038.78 : 14,880,999.28 = 3,855,239.02 : x
  2. Step 2: Convert to fraction form
    9,920,038.78/14,880,999.28 = 3,855,239.02/x
  3. Step 3: Cross multiply
    9,920,038.78x = 14,880,999.28 × 3,855,239.02
  4. Step 4: Simplify right side
    9,920,038.78x = 57,369,809,080,847.91
  5. Step 5: Solve for x
    x = 57,369,809,080,847.91/9,920,038.78
  6. Step 6: Final answer
    x = 5,783,224.27

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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.