Home / 12,156,669.60-18,235,004.40-10,980,938.40

Finding the Fourth Proportional to 12,156,669.60, 18,235,004.40 and 10,980,938.40

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Solution

The fourth proportional to 12,156,669.60, 18,235,004.40 and 10,980,938.40 is: 16,471,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,669.60 : 18,235,004.40 = 10,980,938.40 : x
  2. Step 2: Convert to fraction form
    12,156,669.60/18,235,004.40 = 10,980,938.40/x
  3. Step 3: Cross multiply
    12,156,669.60x = 18,235,004.40 × 10,980,938.40
  4. Step 4: Simplify right side
    12,156,669.60x = 200,237,460,040,128.94
  5. Step 5: Solve for x
    x = 200,237,460,040,128.94/12,156,669.60
  6. Step 6: Final answer
    x = 16,471,407.60

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1.5x scale

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.