Home / 7,392,042.80-11,089,619.40-3,130,017.20

Finding the Fourth Proportional to 7,392,042.80, 11,089,619.40 and 3,130,017.20

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Solution

The fourth proportional to 7,392,042.80, 11,089,619.40 and 3,130,017.20 is: 4,695,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392,042.80 : 11,089,619.40 = 3,130,017.20 : x
  2. Step 2: Convert to fraction form
    7,392,042.80/11,089,619.40 = 3,130,017.20/x
  3. Step 3: Cross multiply
    7,392,042.80x = 11,089,619.40 × 3,130,017.20
  4. Step 4: Simplify right side
    7,392,042.80x = 34,710,699,463,453.68
  5. Step 5: Solve for x
    x = 34,710,699,463,453.68/7,392,042.80
  6. Step 6: Final answer
    x = 4,695,684.32

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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.