Home / 18,688,973.50-25,790,783.43-10,104,269.50

Finding the Fourth Proportional to 18,688,973.50, 25,790,783.43 and 10,104,269.50

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Solution

The fourth proportional to 18,688,973.50, 25,790,783.43 and 10,104,269.50 is: 13,943,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688,973.50 : 25,790,783.43 = 10,104,269.50 : x
  2. Step 2: Convert to fraction form
    18,688,973.50/25,790,783.43 = 10,104,269.50/x
  3. Step 3: Cross multiply
    18,688,973.50x = 25,790,783.43 × 10,104,269.50
  4. Step 4: Simplify right side
    18,688,973.50x = 260,597,026,392,854.38
  5. Step 5: Solve for x
    x = 260,597,026,392,854.38/18,688,973.50
  6. Step 6: Final answer
    x = 13,943,891.91

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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.