Home / 13,653,478.81-18,841,743.34-7,541,907.31

Finding the Fourth Proportional to 13,653,478.81, 18,841,743.34 and 7,541,907.31

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Solution

The fourth proportional to 13,653,478.81, 18,841,743.34 and 7,541,907.31 is: 10,407,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,478.81 : 18,841,743.34 = 7,541,907.31 : x
  2. Step 2: Convert to fraction form
    13,653,478.81/18,841,743.34 = 7,541,907.31/x
  3. Step 3: Cross multiply
    13,653,478.81x = 18,841,743.34 × 7,541,907.31
  4. Step 4: Simplify right side
    13,653,478.81x = 142,102,681,829,089.81
  5. Step 5: Solve for x
    x = 142,102,681,829,089.81/13,653,478.81
  6. Step 6: Final answer
    x = 10,407,800.37

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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.