Home / 10,121,021.47-13,967,211.27-5,537,441.26

Finding the Fourth Proportional to 10,121,021.47, 13,967,211.27 and 5,537,441.26

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Solution

The fourth proportional to 10,121,021.47, 13,967,211.27 and 5,537,441.26 is: 7,641,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,021.47 : 13,967,211.27 = 5,537,441.26 : x
  2. Step 2: Convert to fraction form
    10,121,021.47/13,967,211.27 = 5,537,441.26/x
  3. Step 3: Cross multiply
    10,121,021.47x = 13,967,211.27 × 5,537,441.26
  4. Step 4: Simplify right side
    10,121,021.47x = 77,342,611,973,635
  5. Step 5: Solve for x
    x = 77,342,611,973,635/10,121,021.47
  6. Step 6: Final answer
    x = 7,641,779.26

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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.