Home / 12,405,751.02-17,119,946.16-6,899,004.90

Finding the Fourth Proportional to 12,405,751.02, 17,119,946.16 and 6,899,004.90

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Solution

The fourth proportional to 12,405,751.02, 17,119,946.16 and 6,899,004.90 is: 9,520,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,751.02 : 17,119,946.16 = 6,899,004.90 : x
  2. Step 2: Convert to fraction form
    12,405,751.02/17,119,946.16 = 6,899,004.90/x
  3. Step 3: Cross multiply
    12,405,751.02x = 17,119,946.16 × 6,899,004.90
  4. Step 4: Simplify right side
    12,405,751.02x = 118,110,592,445,576.19
  5. Step 5: Solve for x
    x = 118,110,592,445,576.19/12,405,751.02
  6. Step 6: Final answer
    x = 9,520,632.19

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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.