Home / 8,939,745.60-13,409,618.40-2,208,159.60

Finding the Fourth Proportional to 8,939,745.60, 13,409,618.40 and 2,208,159.60

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Solution

The fourth proportional to 8,939,745.60, 13,409,618.40 and 2,208,159.60 is: 3,312,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,745.60 : 13,409,618.40 = 2,208,159.60 : x
  2. Step 2: Convert to fraction form
    8,939,745.60/13,409,618.40 = 2,208,159.60/x
  3. Step 3: Cross multiply
    8,939,745.60x = 13,409,618.40 × 2,208,159.60
  4. Step 4: Simplify right side
    8,939,745.60x = 29,610,577,602,296.64
  5. Step 5: Solve for x
    x = 29,610,577,602,296.64/8,939,745.60
  6. Step 6: Final answer
    x = 3,312,239.40

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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.