Home / 30,347,123.06-41,869,468.86-18,574,118.22

Finding the Fourth Proportional to 30,347,123.06, 41,869,468.86 and 18,574,118.22

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Solution

The fourth proportional to 30,347,123.06, 41,869,468.86 and 18,574,118.22 is: 25,626,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,123.06 : 41,869,468.86 = 18,574,118.22 : x
  2. Step 2: Convert to fraction form
    30,347,123.06/41,869,468.86 = 18,574,118.22/x
  3. Step 3: Cross multiply
    30,347,123.06x = 41,869,468.86 × 18,574,118.22
  4. Step 4: Simplify right side
    30,347,123.06x = 777,688,464,414,248.62
  5. Step 5: Solve for x
    x = 777,688,464,414,248.62/30,347,123.06
  6. Step 6: Final answer
    x = 25,626,431.31

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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.