Home / 38,966,438.40-58,449,657.60-10,212,518.40

Finding the Fourth Proportional to 38,966,438.40, 58,449,657.60 and 10,212,518.40

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Solution

The fourth proportional to 38,966,438.40, 58,449,657.60 and 10,212,518.40 is: 15,318,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,966,438.40 : 58,449,657.60 = 10,212,518.40 : x
  2. Step 2: Convert to fraction form
    38,966,438.40/58,449,657.60 = 10,212,518.40/x
  3. Step 3: Cross multiply
    38,966,438.40x = 58,449,657.60 × 10,212,518.40
  4. Step 4: Simplify right side
    38,966,438.40x = 596,918,203,713,699.88
  5. Step 5: Solve for x
    x = 596,918,203,713,699.88/38,966,438.40
  6. Step 6: Final answer
    x = 15,318,777.60

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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.