Home / 28,905,116.24-39,886,185.80-16,685,909.84

Finding the Fourth Proportional to 28,905,116.24, 39,886,185.80 and 16,685,909.84

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Solution

The fourth proportional to 28,905,116.24, 39,886,185.80 and 16,685,909.84 is: 23,024,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,116.24 : 39,886,185.80 = 16,685,909.84 : x
  2. Step 2: Convert to fraction form
    28,905,116.24/39,886,185.80 = 16,685,909.84/x
  3. Step 3: Cross multiply
    28,905,116.24x = 39,886,185.80 × 16,685,909.84
  4. Step 4: Simplify right side
    28,905,116.24x = 665,537,300,120,288.25
  5. Step 5: Solve for x
    x = 665,537,300,120,288.25/28,905,116.24
  6. Step 6: Final answer
    x = 23,024,896.17

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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.