Home / 12,451,491.70-18,659,741.55-9,897,075.70

Finding the Fourth Proportional to 12,451,491.70, 18,659,741.55 and 9,897,075.70

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Solution

The fourth proportional to 12,451,491.70, 18,659,741.55 and 9,897,075.70 is: 14,831,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,491.70 : 18,659,741.55 = 9,897,075.70 : x
  2. Step 2: Convert to fraction form
    12,451,491.70/18,659,741.55 = 9,897,075.70/x
  3. Step 3: Cross multiply
    12,451,491.70x = 18,659,741.55 × 9,897,075.70
  4. Step 4: Simplify right side
    12,451,491.70x = 184,676,874,662,785.34
  5. Step 5: Solve for x
    x = 184,676,874,662,785.34/12,451,491.70
  6. Step 6: Final answer
    x = 14,831,706.84

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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.