Home / 9,990,007.20-14,985,010.80-3,600,905.40

Finding the Fourth Proportional to 9,990,007.20, 14,985,010.80 and 3,600,905.40

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Solution

The fourth proportional to 9,990,007.20, 14,985,010.80 and 3,600,905.40 is: 5,401,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,007.20 : 14,985,010.80 = 3,600,905.40 : x
  2. Step 2: Convert to fraction form
    9,990,007.20/14,985,010.80 = 3,600,905.40/x
  3. Step 3: Cross multiply
    9,990,007.20x = 14,985,010.80 × 3,600,905.40
  4. Step 4: Simplify right side
    9,990,007.20x = 53,959,606,308,778.32
  5. Step 5: Solve for x
    x = 53,959,606,308,778.32/9,990,007.20
  6. Step 6: Final answer
    x = 5,401,358.10

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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.