Home / 13,418,430.80-20,111,899.80-5,742,060.80

Finding the Fourth Proportional to 13,418,430.80, 20,111,899.80 and 5,742,060.80

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Solution

The fourth proportional to 13,418,430.80, 20,111,899.80 and 5,742,060.80 is: 8,606,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,430.80 : 20,111,899.80 = 5,742,060.80 : x
  2. Step 2: Convert to fraction form
    13,418,430.80/20,111,899.80 = 5,742,060.80/x
  3. Step 3: Cross multiply
    13,418,430.80x = 20,111,899.80 × 5,742,060.80
  4. Step 4: Simplify right side
    13,418,430.80x = 115,483,751,455,107.84
  5. Step 5: Solve for x
    x = 115,483,751,455,107.84/13,418,430.80
  6. Step 6: Final answer
    x = 8,606,352.95

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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.