Home / 12,457,713.70-18,669,074.55-9,903,297.70

Finding the Fourth Proportional to 12,457,713.70, 18,669,074.55 and 9,903,297.70

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Solution

The fourth proportional to 12,457,713.70, 18,669,074.55 and 9,903,297.70 is: 14,841,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,713.70 : 18,669,074.55 = 9,903,297.70 : x
  2. Step 2: Convert to fraction form
    12,457,713.70/18,669,074.55 = 9,903,297.70/x
  3. Step 3: Cross multiply
    12,457,713.70x = 18,669,074.55 × 9,903,297.70
  4. Step 4: Simplify right side
    12,457,713.70x = 184,885,403,052,143.53
  5. Step 5: Solve for x
    x = 184,885,403,052,143.53/12,457,713.70
  6. Step 6: Final answer
    x = 14,841,038.05

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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.