Home / 13,854,555.88-19,119,314.82-7,742,984.20

Finding the Fourth Proportional to 13,854,555.88, 19,119,314.82 and 7,742,984.20

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Solution

The fourth proportional to 13,854,555.88, 19,119,314.82 and 7,742,984.20 is: 10,685,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,555.88 : 19,119,314.82 = 7,742,984.20 : x
  2. Step 2: Convert to fraction form
    13,854,555.88/19,119,314.82 = 7,742,984.20/x
  3. Step 3: Cross multiply
    13,854,555.88x = 19,119,314.82 × 7,742,984.20
  4. Step 4: Simplify right side
    13,854,555.88x = 148,040,552,566,085.84
  5. Step 5: Solve for x
    x = 148,040,552,566,085.84/13,854,555.88
  6. Step 6: Final answer
    x = 10,685,333.68

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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.