Home / 30,019,166.72-41,430,893.28-19,006,938.32

Finding the Fourth Proportional to 30,019,166.72, 41,430,893.28 and 19,006,938.32

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Solution

The fourth proportional to 30,019,166.72, 41,430,893.28 and 19,006,938.32 is: 26,232,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,166.72 : 41,430,893.28 = 19,006,938.32 : x
  2. Step 2: Convert to fraction form
    30,019,166.72/41,430,893.28 = 19,006,938.32/x
  3. Step 3: Cross multiply
    30,019,166.72x = 41,430,893.28 × 19,006,938.32
  4. Step 4: Simplify right side
    30,019,166.72x = 787,474,433,115,462.50
  5. Step 5: Solve for x
    x = 787,474,433,115,462.50/30,019,166.72
  6. Step 6: Final answer
    x = 26,232,388.14

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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.