Home / 13,337,533.90-18,399,025.02-8,434,498.60

Finding the Fourth Proportional to 13,337,533.90, 18,399,025.02 and 8,434,498.60

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Solution

The fourth proportional to 13,337,533.90, 18,399,025.02 and 8,434,498.60 is: 11,635,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,533.90 : 18,399,025.02 = 8,434,498.60 : x
  2. Step 2: Convert to fraction form
    13,337,533.90/18,399,025.02 = 8,434,498.60/x
  3. Step 3: Cross multiply
    13,337,533.90x = 18,399,025.02 × 8,434,498.60
  4. Step 4: Simplify right side
    13,337,533.90x = 155,186,550,772,554.97
  5. Step 5: Solve for x
    x = 155,186,550,772,554.97/13,337,533.90
  6. Step 6: Final answer
    x = 11,635,325.69

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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.