Home / 13,854,174.90-19,119,351.81-7,742,603.22

Finding the Fourth Proportional to 13,854,174.90, 19,119,351.81 and 7,742,603.22

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Solution

The fourth proportional to 13,854,174.90, 19,119,351.81 and 7,742,603.22 is: 10,685,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,174.90 : 19,119,351.81 = 7,742,603.22 : x
  2. Step 2: Convert to fraction form
    13,854,174.90/19,119,351.81 = 7,742,603.22/x
  3. Step 3: Cross multiply
    13,854,174.90x = 19,119,351.81 × 7,742,603.22
  4. Step 4: Simplify right side
    13,854,174.90x = 148,033,554,888,418.81
  5. Step 5: Solve for x
    x = 148,033,554,888,418.81/13,854,174.90
  6. Step 6: Final answer
    x = 10,685,122.42

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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.