Home / 9,400,991.28-12,968,592-6,139,714.16

Finding the Fourth Proportional to 9,400,991.28, 12,968,592 and 6,139,714.16

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Solution

The fourth proportional to 9,400,991.28, 12,968,592 and 6,139,714.16 is: 8,469,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400,991.28 : 12,968,592 = 6,139,714.16 : x
  2. Step 2: Convert to fraction form
    9,400,991.28/12,968,592 = 6,139,714.16/x
  3. Step 3: Cross multiply
    9,400,991.28x = 12,968,592 × 6,139,714.16
  4. Step 4: Simplify right side
    9,400,991.28x = 79,623,447,937,662.72
  5. Step 5: Solve for x
    x = 79,623,447,937,662.72/9,400,991.28
  6. Step 6: Final answer
    x = 8,469,686.39

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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.