Home / 7,743,934.02-10,686,888.21-4,259,420.16

Finding the Fourth Proportional to 7,743,934.02, 10,686,888.21 and 4,259,420.16

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Solution

The fourth proportional to 7,743,934.02, 10,686,888.21 and 4,259,420.16 is: 5,878,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743,934.02 : 10,686,888.21 = 4,259,420.16 : x
  2. Step 2: Convert to fraction form
    7,743,934.02/10,686,888.21 = 4,259,420.16/x
  3. Step 3: Cross multiply
    7,743,934.02x = 10,686,888.21 × 4,259,420.16
  4. Step 4: Simplify right side
    7,743,934.02x = 45,519,947,089,340.32
  5. Step 5: Solve for x
    x = 45,519,947,089,340.32/7,743,934.02
  6. Step 6: Final answer
    x = 5,878,142.42

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Double scale
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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.