Home / 12,298,492.20-18,447,738.30-11,374,703.40

Finding the Fourth Proportional to 12,298,492.20, 18,447,738.30 and 11,374,703.40

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Solution

The fourth proportional to 12,298,492.20, 18,447,738.30 and 11,374,703.40 is: 17,062,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,492.20 : 18,447,738.30 = 11,374,703.40 : x
  2. Step 2: Convert to fraction form
    12,298,492.20/18,447,738.30 = 11,374,703.40/x
  3. Step 3: Cross multiply
    12,298,492.20x = 18,447,738.30 × 11,374,703.40
  4. Step 4: Simplify right side
    12,298,492.20x = 209,837,551,563,320.25
  5. Step 5: Solve for x
    x = 209,837,551,563,320.25/12,298,492.20
  6. Step 6: Final answer
    x = 17,062,055.10

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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.