Home / 18,708,903.86-25,804,060.75-16,099,805.57

Finding the Fourth Proportional to 18,708,903.86, 25,804,060.75 and 16,099,805.57

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Solution

The fourth proportional to 18,708,903.86, 25,804,060.75 and 16,099,805.57 is: 22,205,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,903.86 : 25,804,060.75 = 16,099,805.57 : x
  2. Step 2: Convert to fraction form
    18,708,903.86/25,804,060.75 = 16,099,805.57/x
  3. Step 3: Cross multiply
    18,708,903.86x = 25,804,060.75 × 16,099,805.57
  4. Step 4: Simplify right side
    18,708,903.86x = 415,440,360,882,572.81
  5. Step 5: Solve for x
    x = 415,440,360,882,572.81/18,708,903.86
  6. Step 6: Final answer
    x = 22,205,489.11

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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.