Home / 10,295,114.12-14,201,354.76-6,420,909.20

Finding the Fourth Proportional to 10,295,114.12, 14,201,354.76 and 6,420,909.20

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Solution

The fourth proportional to 10,295,114.12, 14,201,354.76 and 6,420,909.20 is: 8,857,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295,114.12 : 14,201,354.76 = 6,420,909.20 : x
  2. Step 2: Convert to fraction form
    10,295,114.12/14,201,354.76 = 6,420,909.20/x
  3. Step 3: Cross multiply
    10,295,114.12x = 14,201,354.76 × 6,420,909.20
  4. Step 4: Simplify right side
    10,295,114.12x = 91,185,609,430,947.80
  5. Step 5: Solve for x
    x = 91,185,609,430,947.80/10,295,114.12
  6. Step 6: Final answer
    x = 8,857,173.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.