Home / 12,173,241.47-18,259,862.22-3,075,365.21

Finding the Fourth Proportional to 12,173,241.47, 18,259,862.22 and 3,075,365.21

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Solution

The fourth proportional to 12,173,241.47, 18,259,862.22 and 3,075,365.21 is: 4,613,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173,241.47 : 18,259,862.22 = 3,075,365.21 : x
  2. Step 2: Convert to fraction form
    12,173,241.47/18,259,862.22 = 3,075,365.21/x
  3. Step 3: Cross multiply
    12,173,241.47x = 18,259,862.22 × 3,075,365.21
  4. Step 4: Simplify right side
    12,173,241.47x = 56,155,744,919,482.05
  5. Step 5: Solve for x
    x = 56,155,744,919,482.05/12,173,241.47
  6. Step 6: Final answer
    x = 4,613,047.81

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Double scale
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Similar ratio
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1.5x scale

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.