Home / 12,457,715.70-18,669,077.55-9,903,299.70

Finding the Fourth Proportional to 12,457,715.70, 18,669,077.55 and 9,903,299.70

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Solution

The fourth proportional to 12,457,715.70, 18,669,077.55 and 9,903,299.70 is: 14,841,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,715.70 : 18,669,077.55 = 9,903,299.70 : x
  2. Step 2: Convert to fraction form
    12,457,715.70/18,669,077.55 = 9,903,299.70/x
  3. Step 3: Cross multiply
    12,457,715.70x = 18,669,077.55 × 9,903,299.70
  4. Step 4: Simplify right side
    12,457,715.70x = 184,885,470,100,191.72
  5. Step 5: Solve for x
    x = 184,885,470,100,191.72/12,457,715.70
  6. Step 6: Final answer
    x = 14,841,041.05

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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.