Home / 28,589,501.70-42,868,506.15-11,530,901.70

Finding the Fourth Proportional to 28,589,501.70, 42,868,506.15 and 11,530,901.70

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Solution

The fourth proportional to 28,589,501.70, 42,868,506.15 and 11,530,901.70 is: 17,290,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589,501.70 : 42,868,506.15 = 11,530,901.70 : x
  2. Step 2: Convert to fraction form
    28,589,501.70/42,868,506.15 = 11,530,901.70/x
  3. Step 3: Cross multiply
    28,589,501.70x = 42,868,506.15 × 11,530,901.70
  4. Step 4: Simplify right side
    28,589,501.70x = 494,312,530,441,495.38
  5. Step 5: Solve for x
    x = 494,312,530,441,495.38/28,589,501.70
  6. Step 6: Final answer
    x = 17,290,001.61

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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.