Home / 13,250,544.19-18,285,779.42-7,449,373.60

Finding the Fourth Proportional to 13,250,544.19, 18,285,779.42 and 7,449,373.60

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Solution

The fourth proportional to 13,250,544.19, 18,285,779.42 and 7,449,373.60 is: 10,280,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,544.19 : 18,285,779.42 = 7,449,373.60 : x
  2. Step 2: Convert to fraction form
    13,250,544.19/18,285,779.42 = 7,449,373.60/x
  3. Step 3: Cross multiply
    13,250,544.19x = 18,285,779.42 × 7,449,373.60
  4. Step 4: Simplify right side
    13,250,544.19x = 136,217,602,356,718.98
  5. Step 5: Solve for x
    x = 136,217,602,356,718.98/13,250,544.19
  6. Step 6: Final answer
    x = 10,280,151.55

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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.