Home / 12,457,693.20-18,669,043.80-9,903,277.20

Finding the Fourth Proportional to 12,457,693.20, 18,669,043.80 and 9,903,277.20

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Solution

The fourth proportional to 12,457,693.20, 18,669,043.80 and 9,903,277.20 is: 14,841,007.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,693.20 : 18,669,043.80 = 9,903,277.20 : x
  2. Step 2: Convert to fraction form
    12,457,693.20/18,669,043.80 = 9,903,277.20/x
  3. Step 3: Cross multiply
    12,457,693.20x = 18,669,043.80 × 9,903,277.20
  4. Step 4: Simplify right side
    12,457,693.20x = 184,884,715,810,341.34
  5. Step 5: Solve for x
    x = 184,884,715,810,341.34/12,457,693.20
  6. Step 6: Final answer
    x = 14,841,007.31

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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.