Home / 11,889,746.40-17,834,619.60-7,634,719.20

Finding the Fourth Proportional to 11,889,746.40, 17,834,619.60 and 7,634,719.20

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Solution

The fourth proportional to 11,889,746.40, 17,834,619.60 and 7,634,719.20 is: 11,452,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,746.40 : 17,834,619.60 = 7,634,719.20 : x
  2. Step 2: Convert to fraction form
    11,889,746.40/17,834,619.60 = 7,634,719.20/x
  3. Step 3: Cross multiply
    11,889,746.40x = 17,834,619.60 × 7,634,719.20
  4. Step 4: Simplify right side
    11,889,746.40x = 136,162,312,684,816.33
  5. Step 5: Solve for x
    x = 136,162,312,684,816.33/11,889,746.40
  6. Step 6: Final answer
    x = 11,452,078.80

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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.