Home / 43,454,435.60-65,190,401.40-12,748,955.60

Finding the Fourth Proportional to 43,454,435.60, 65,190,401.40 and 12,748,955.60

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Solution

The fourth proportional to 43,454,435.60, 65,190,401.40 and 12,748,955.60 is: 19,125,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454,435.60 : 65,190,401.40 = 12,748,955.60 : x
  2. Step 2: Convert to fraction form
    43,454,435.60/65,190,401.40 = 12,748,955.60/x
  3. Step 3: Cross multiply
    43,454,435.60x = 65,190,401.40 × 12,748,955.60
  4. Step 4: Simplify right side
    43,454,435.60x = 831,109,532,994,777.75
  5. Step 5: Solve for x
    x = 831,109,532,994,777.75/43,454,435.60
  6. Step 6: Final answer
    x = 19,125,999.95

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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.