Home / 11,999,520.47-16,556,448.02-7,289,779.12

Finding the Fourth Proportional to 11,999,520.47, 16,556,448.02 and 7,289,779.12

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Solution

The fourth proportional to 11,999,520.47, 16,556,448.02 and 7,289,779.12 is: 10,058,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999,520.47 : 16,556,448.02 = 7,289,779.12 : x
  2. Step 2: Convert to fraction form
    11,999,520.47/16,556,448.02 = 7,289,779.12/x
  3. Step 3: Cross multiply
    11,999,520.47x = 16,556,448.02 × 7,289,779.12
  4. Step 4: Simplify right side
    11,999,520.47x = 120,692,848,999,721.33
  5. Step 5: Solve for x
    x = 120,692,848,999,721.33/11,999,520.47
  6. Step 6: Final answer
    x = 10,058,139.35

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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.