Home / 10,853,985.60-16,280,978.40-3,280,161.60

Finding the Fourth Proportional to 10,853,985.60, 16,280,978.40 and 3,280,161.60

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Solution

The fourth proportional to 10,853,985.60, 16,280,978.40 and 3,280,161.60 is: 4,920,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,985.60 : 16,280,978.40 = 3,280,161.60 : x
  2. Step 2: Convert to fraction form
    10,853,985.60/16,280,978.40 = 3,280,161.60/x
  3. Step 3: Cross multiply
    10,853,985.60x = 16,280,978.40 × 3,280,161.60
  4. Step 4: Simplify right side
    10,853,985.60x = 53,404,240,158,109.45
  5. Step 5: Solve for x
    x = 53,404,240,158,109.45/10,853,985.60
  6. Step 6: Final answer
    x = 4,920,242.40

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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.