Home / 7,742,684.88-11,614,001.40-1,985,412.24

Finding the Fourth Proportional to 7,742,684.88, 11,614,001.40 and 1,985,412.24

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Solution

The fourth proportional to 7,742,684.88, 11,614,001.40 and 1,985,412.24 is: 2,978,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742,684.88 : 11,614,001.40 = 1,985,412.24 : x
  2. Step 2: Convert to fraction form
    7,742,684.88/11,614,001.40 = 1,985,412.24/x
  3. Step 3: Cross multiply
    7,742,684.88x = 11,614,001.40 × 1,985,412.24
  4. Step 4: Simplify right side
    7,742,684.88x = 23,058,580,534,937.14
  5. Step 5: Solve for x
    x = 23,058,580,534,937.14/7,742,684.88
  6. Step 6: Final answer
    x = 2,978,111.71

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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.