Home / 12,301,991.60-18,452,987.40-6,562,428.80

Finding the Fourth Proportional to 12,301,991.60, 18,452,987.40 and 6,562,428.80

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Solution

The fourth proportional to 12,301,991.60, 18,452,987.40 and 6,562,428.80 is: 9,843,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,991.60 : 18,452,987.40 = 6,562,428.80 : x
  2. Step 2: Convert to fraction form
    12,301,991.60/18,452,987.40 = 6,562,428.80/x
  3. Step 3: Cross multiply
    12,301,991.60x = 18,452,987.40 × 6,562,428.80
  4. Step 4: Simplify right side
    12,301,991.60x = 121,096,415,959,797.11
  5. Step 5: Solve for x
    x = 121,096,415,959,797.11/12,301,991.60
  6. Step 6: Final answer
    x = 9,843,643.20

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1.5x scale

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.