Home / 15,237,090.72-21,026,150.06-8,362,015.65

Finding the Fourth Proportional to 15,237,090.72, 21,026,150.06 and 8,362,015.65

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Solution

The fourth proportional to 15,237,090.72, 21,026,150.06 and 8,362,015.65 is: 11,539,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,090.72 : 21,026,150.06 = 8,362,015.65 : x
  2. Step 2: Convert to fraction form
    15,237,090.72/21,026,150.06 = 8,362,015.65/x
  3. Step 3: Cross multiply
    15,237,090.72x = 21,026,150.06 × 8,362,015.65
  4. Step 4: Simplify right side
    15,237,090.72x = 175,820,995,819,158.38
  5. Step 5: Solve for x
    x = 175,820,995,819,158.38/15,237,090.72
  6. Step 6: Final answer
    x = 11,539,013.52

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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.