Home / 18,261,709.58-25,201,951.40-10,112,947.58

Finding the Fourth Proportional to 18,261,709.58, 25,201,951.40 and 10,112,947.58

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Solution

The fourth proportional to 18,261,709.58, 25,201,951.40 and 10,112,947.58 is: 13,956,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,709.58 : 25,201,951.40 = 10,112,947.58 : x
  2. Step 2: Convert to fraction form
    18,261,709.58/25,201,951.40 = 10,112,947.58/x
  3. Step 3: Cross multiply
    18,261,709.58x = 25,201,951.40 × 10,112,947.58
  4. Step 4: Simplify right side
    18,261,709.58x = 254,866,013,365,122.81
  5. Step 5: Solve for x
    x = 254,866,013,365,122.81/18,261,709.58
  6. Step 6: Final answer
    x = 13,956,306.35

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1.5x scale

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.