Home / 42,430,242.76-63,611,038.32-13,269,078.62

Finding the Fourth Proportional to 42,430,242.76, 63,611,038.32 and 13,269,078.62

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Solution

The fourth proportional to 42,430,242.76, 63,611,038.32 and 13,269,078.62 is: 19,892,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,430,242.76 : 63,611,038.32 = 13,269,078.62 : x
  2. Step 2: Convert to fraction form
    42,430,242.76/63,611,038.32 = 13,269,078.62/x
  3. Step 3: Cross multiply
    42,430,242.76x = 63,611,038.32 × 13,269,078.62
  4. Step 4: Simplify right side
    42,430,242.76x = 844,059,868,567,912.62
  5. Step 5: Solve for x
    x = 844,059,868,567,912.62/42,430,242.76
  6. Step 6: Final answer
    x = 19,892,883.32

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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.