Home / 12,457,739.70-18,669,113.55-9,903,323.70

Finding the Fourth Proportional to 12,457,739.70, 18,669,113.55 and 9,903,323.70

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Solution

The fourth proportional to 12,457,739.70, 18,669,113.55 and 9,903,323.70 is: 14,841,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,739.70 : 18,669,113.55 = 9,903,323.70 : x
  2. Step 2: Convert to fraction form
    12,457,739.70/18,669,113.55 = 9,903,323.70/x
  3. Step 3: Cross multiply
    12,457,739.70x = 18,669,113.55 × 9,903,323.70
  4. Step 4: Simplify right side
    12,457,739.70x = 184,886,274,677,706.12
  5. Step 5: Solve for x
    x = 184,886,274,677,706.12/12,457,739.70
  6. Step 6: Final answer
    x = 14,841,077.04

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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.