Home / 15,608,976.31-21,526,074.81-13,403,088.93

Finding the Fourth Proportional to 15,608,976.31, 21,526,074.81 and 13,403,088.93

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Solution

The fourth proportional to 15,608,976.31, 21,526,074.81 and 13,403,088.93 is: 18,483,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608,976.31 : 21,526,074.81 = 13,403,088.93 : x
  2. Step 2: Convert to fraction form
    15,608,976.31/21,526,074.81 = 13,403,088.93/x
  3. Step 3: Cross multiply
    15,608,976.31x = 21,526,074.81 × 13,403,088.93
  4. Step 4: Simplify right side
    15,608,976.31x = 288,515,895,072,985.62
  5. Step 5: Solve for x
    x = 288,515,895,072,985.62/15,608,976.31
  6. Step 6: Final answer
    x = 18,483,972.90

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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.