Home / 13,397,783.60-18,493,104.39-10,649,347.90

Finding the Fourth Proportional to 13,397,783.60, 18,493,104.39 and 10,649,347.90

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Solution

The fourth proportional to 13,397,783.60, 18,493,104.39 and 10,649,347.90 is: 14,699,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,783.60 : 18,493,104.39 = 10,649,347.90 : x
  2. Step 2: Convert to fraction form
    13,397,783.60/18,493,104.39 = 10,649,347.90/x
  3. Step 3: Cross multiply
    13,397,783.60x = 18,493,104.39 × 10,649,347.90
  4. Step 4: Simplify right side
    13,397,783.60x = 196,939,502,400,127.28
  5. Step 5: Solve for x
    x = 196,939,502,400,127.28/13,397,783.60
  6. Step 6: Final answer
    x = 14,699,409.12

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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.