Home / 12,401,577.42-18,602,716.05-3,426,129.42

Finding the Fourth Proportional to 12,401,577.42, 18,602,716.05 and 3,426,129.42

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Solution

The fourth proportional to 12,401,577.42, 18,602,716.05 and 3,426,129.42 is: 5,139,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401,577.42 : 18,602,716.05 = 3,426,129.42 : x
  2. Step 2: Convert to fraction form
    12,401,577.42/18,602,716.05 = 3,426,129.42/x
  3. Step 3: Cross multiply
    12,401,577.42x = 18,602,716.05 × 3,426,129.42
  4. Step 4: Simplify right side
    12,401,577.42x = 63,735,312,750,811.20
  5. Step 5: Solve for x
    x = 63,735,312,750,811.20/12,401,577.42
  6. Step 6: Final answer
    x = 5,139,290.80

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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.