Home / 13,643,169.12-18,827,633.52-7,531,647.84

Finding the Fourth Proportional to 13,643,169.12, 18,827,633.52 and 7,531,647.84

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Solution

The fourth proportional to 13,643,169.12, 18,827,633.52 and 7,531,647.84 is: 10,393,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,169.12 : 18,827,633.52 = 7,531,647.84 : x
  2. Step 2: Convert to fraction form
    13,643,169.12/18,827,633.52 = 7,531,647.84/x
  3. Step 3: Cross multiply
    13,643,169.12x = 18,827,633.52 × 7,531,647.84
  4. Step 4: Simplify right side
    13,643,169.12x = 141,803,105,333,219.59
  5. Step 5: Solve for x
    x = 141,803,105,333,219.59/13,643,169.12
  6. Step 6: Final answer
    x = 10,393,707.22

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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.