Home / 12,114,598.40-18,147,403.20-7,551,641.60

Finding the Fourth Proportional to 12,114,598.40, 18,147,403.20 and 7,551,641.60

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Solution

The fourth proportional to 12,114,598.40, 18,147,403.20 and 7,551,641.60 is: 11,312,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,598.40 : 18,147,403.20 = 7,551,641.60 : x
  2. Step 2: Convert to fraction form
    12,114,598.40/18,147,403.20 = 7,551,641.60/x
  3. Step 3: Cross multiply
    12,114,598.40x = 18,147,403.20 × 7,551,641.60
  4. Step 4: Simplify right side
    12,114,598.40x = 137,042,684,937,093.11
  5. Step 5: Solve for x
    x = 137,042,684,937,093.11/12,114,598.40
  6. Step 6: Final answer
    x = 11,312,193.80

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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.