Home / 13,142,259.40-19,701,579.30-8,347,480.60

Finding the Fourth Proportional to 13,142,259.40, 19,701,579.30 and 8,347,480.60

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Solution

The fourth proportional to 13,142,259.40, 19,701,579.30 and 8,347,480.60 is: 12,513,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,259.40 : 19,701,579.30 = 8,347,480.60 : x
  2. Step 2: Convert to fraction form
    13,142,259.40/19,701,579.30 = 8,347,480.60/x
  3. Step 3: Cross multiply
    13,142,259.40x = 19,701,579.30 × 8,347,480.60
  4. Step 4: Simplify right side
    13,142,259.40x = 164,458,550,996,111.59
  5. Step 5: Solve for x
    x = 164,458,550,996,111.59/13,142,259.40
  6. Step 6: Final answer
    x = 12,513,719.75

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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.