Home / 18,178,806.57-25,064,062.35-11,641,688.61

Finding the Fourth Proportional to 18,178,806.57, 25,064,062.35 and 11,641,688.61

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Solution

The fourth proportional to 18,178,806.57, 25,064,062.35 and 11,641,688.61 is: 16,050,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,806.57 : 25,064,062.35 = 11,641,688.61 : x
  2. Step 2: Convert to fraction form
    18,178,806.57/25,064,062.35 = 11,641,688.61/x
  3. Step 3: Cross multiply
    18,178,806.57x = 25,064,062.35 × 11,641,688.61
  4. Step 4: Simplify right side
    18,178,806.57x = 291,788,009,180,324.81
  5. Step 5: Solve for x
    x = 291,788,009,180,324.81/18,178,806.57
  6. Step 6: Final answer
    x = 16,050,999.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.