Home / 11,257,621.59-15,537,185.24-7,128,036.57

Finding the Fourth Proportional to 11,257,621.59, 15,537,185.24 and 7,128,036.57

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Solution

The fourth proportional to 11,257,621.59, 15,537,185.24 and 7,128,036.57 is: 9,837,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257,621.59 : 15,537,185.24 = 7,128,036.57 : x
  2. Step 2: Convert to fraction form
    11,257,621.59/15,537,185.24 = 7,128,036.57/x
  3. Step 3: Cross multiply
    11,257,621.59x = 15,537,185.24 × 7,128,036.57
  4. Step 4: Simplify right side
    11,257,621.59x = 110,749,624,549,944.05
  5. Step 5: Solve for x
    x = 110,749,624,549,944.05/11,257,621.59
  6. Step 6: Final answer
    x = 9,837,746.25

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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.