Home / 12,470,909.93-18,706,356.95-9,080,762.64

Finding the Fourth Proportional to 12,470,909.93, 18,706,356.95 and 9,080,762.64

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Solution

The fourth proportional to 12,470,909.93, 18,706,356.95 and 9,080,762.64 is: 13,621,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,909.93 : 18,706,356.95 = 9,080,762.64 : x
  2. Step 2: Convert to fraction form
    12,470,909.93/18,706,356.95 = 9,080,762.64/x
  3. Step 3: Cross multiply
    12,470,909.93x = 18,706,356.95 × 9,080,762.64
  4. Step 4: Simplify right side
    12,470,909.93x = 169,867,987,183,128.75
  5. Step 5: Solve for x
    x = 169,867,987,183,128.75/12,470,909.93
  6. Step 6: Final answer
    x = 13,621,138.16

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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.