Home / 10,692,100.80-16,038,765.60-3,120,235.20

Finding the Fourth Proportional to 10,692,100.80, 16,038,765.60 and 3,120,235.20

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Solution

The fourth proportional to 10,692,100.80, 16,038,765.60 and 3,120,235.20 is: 4,680,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,100.80 : 16,038,765.60 = 3,120,235.20 : x
  2. Step 2: Convert to fraction form
    10,692,100.80/16,038,765.60 = 3,120,235.20/x
  3. Step 3: Cross multiply
    10,692,100.80x = 16,038,765.60 × 3,120,235.20
  4. Step 4: Simplify right side
    10,692,100.80x = 50,044,720,989,669.12
  5. Step 5: Solve for x
    x = 50,044,720,989,669.12/10,692,100.80
  6. Step 6: Final answer
    x = 4,680,532.10

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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.