Home / 13,301,714.57-18,356,358.02-7,190,143.07

Finding the Fourth Proportional to 13,301,714.57, 18,356,358.02 and 7,190,143.07

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Solution

The fourth proportional to 13,301,714.57, 18,356,358.02 and 7,190,143.07 is: 9,922,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,714.57 : 18,356,358.02 = 7,190,143.07 : x
  2. Step 2: Convert to fraction form
    13,301,714.57/18,356,358.02 = 7,190,143.07/x
  3. Step 3: Cross multiply
    13,301,714.57x = 18,356,358.02 × 7,190,143.07
  4. Step 4: Simplify right side
    13,301,714.57x = 131,984,840,280,209.42
  5. Step 5: Solve for x
    x = 131,984,840,280,209.42/13,301,714.57
  6. Step 6: Final answer
    x = 9,922,393.06

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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.