Home / 8,390,403.60-12,554,112.60-5,556,051.60

Finding the Fourth Proportional to 8,390,403.60, 12,554,112.60 and 5,556,051.60

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Solution

The fourth proportional to 8,390,403.60, 12,554,112.60 and 5,556,051.60 is: 8,313,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390,403.60 : 12,554,112.60 = 5,556,051.60 : x
  2. Step 2: Convert to fraction form
    8,390,403.60/12,554,112.60 = 5,556,051.60/x
  3. Step 3: Cross multiply
    8,390,403.60x = 12,554,112.60 × 5,556,051.60
  4. Step 4: Simplify right side
    8,390,403.60x = 69,751,297,397,810.16
  5. Step 5: Solve for x
    x = 69,751,297,397,810.16/8,390,403.60
  6. Step 6: Final answer
    x = 8,313,223.14

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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.