Home / 12,116,289.02-16,720,455.47-6,609,662.24

Finding the Fourth Proportional to 12,116,289.02, 16,720,455.47 and 6,609,662.24

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Solution

The fourth proportional to 12,116,289.02, 16,720,455.47 and 6,609,662.24 is: 9,121,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,289.02 : 16,720,455.47 = 6,609,662.24 : x
  2. Step 2: Convert to fraction form
    12,116,289.02/16,720,455.47 = 6,609,662.24/x
  3. Step 3: Cross multiply
    12,116,289.02x = 16,720,455.47 × 6,609,662.24
  4. Step 4: Simplify right side
    12,116,289.02x = 110,516,563,039,009.88
  5. Step 5: Solve for x
    x = 110,516,563,039,009.88/12,116,289.02
  6. Step 6: Final answer
    x = 9,121,321.13

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1.5x scale

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.