Home / 19,938,241.49-29,912,678.69-7,158,856.91

Finding the Fourth Proportional to 19,938,241.49, 29,912,678.69 and 7,158,856.91

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Solution

The fourth proportional to 19,938,241.49, 29,912,678.69 and 7,158,856.91 is: 10,740,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,241.49 : 29,912,678.69 = 7,158,856.91 : x
  2. Step 2: Convert to fraction form
    19,938,241.49/29,912,678.69 = 7,158,856.91/x
  3. Step 3: Cross multiply
    19,938,241.49x = 29,912,678.69 × 7,158,856.91
  4. Step 4: Simplify right side
    19,938,241.49x = 214,140,586,351,158.56
  5. Step 5: Solve for x
    x = 214,140,586,351,158.56/19,938,241.49
  6. Step 6: Final answer
    x = 10,740,194.24

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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.