Home / 43,655,128.40-65,482,692.60-18,087,640.40

Finding the Fourth Proportional to 43,655,128.40, 65,482,692.60 and 18,087,640.40

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Solution

The fourth proportional to 43,655,128.40, 65,482,692.60 and 18,087,640.40 is: 27,131,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655,128.40 : 65,482,692.60 = 18,087,640.40 : x
  2. Step 2: Convert to fraction form
    43,655,128.40/65,482,692.60 = 18,087,640.40/x
  3. Step 3: Cross multiply
    43,655,128.40x = 65,482,692.60 × 18,087,640.40
  4. Step 4: Simplify right side
    43,655,128.40x = 1,184,427,396,172,541
  5. Step 5: Solve for x
    x = 1,184,427,396,172,541/43,655,128.40
  6. Step 6: Final answer
    x = 27,131,460.60

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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.