Home / 28,890,103.50-39,871,194.84-16,502,049.36

Finding the Fourth Proportional to 28,890,103.50, 39,871,194.84 and 16,502,049.36

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Solution

The fourth proportional to 28,890,103.50, 39,871,194.84 and 16,502,049.36 is: 22,774,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,103.50 : 39,871,194.84 = 16,502,049.36 : x
  2. Step 2: Convert to fraction form
    28,890,103.50/39,871,194.84 = 16,502,049.36/x
  3. Step 3: Cross multiply
    28,890,103.50x = 39,871,194.84 × 16,502,049.36
  4. Step 4: Simplify right side
    28,890,103.50x = 657,956,425,291,857.38
  5. Step 5: Solve for x
    x = 657,956,425,291,857.38/28,890,103.50
  6. Step 6: Final answer
    x = 22,774,457.19

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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.