Home / 12,114,994.60-18,157,055.10-6,437,938.60

Finding the Fourth Proportional to 12,114,994.60, 18,157,055.10 and 6,437,938.60

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Solution

The fourth proportional to 12,114,994.60, 18,157,055.10 and 6,437,938.60 is: 9,648,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,994.60 : 18,157,055.10 = 6,437,938.60 : x
  2. Step 2: Convert to fraction form
    12,114,994.60/18,157,055.10 = 6,437,938.60/x
  3. Step 3: Cross multiply
    12,114,994.60x = 18,157,055.10 × 6,437,938.60
  4. Step 4: Simplify right side
    12,114,994.60x = 116,894,005,890,616.86
  5. Step 5: Solve for x
    x = 116,894,005,890,616.86/12,114,994.60
  6. Step 6: Final answer
    x = 9,648,704.75

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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.