Home / 15,289,509.95-21,099,527.29-8,413,992.01

Finding the Fourth Proportional to 15,289,509.95, 21,099,527.29 and 8,413,992.01

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Solution

The fourth proportional to 15,289,509.95, 21,099,527.29 and 8,413,992.01 is: 11,611,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,509.95 : 21,099,527.29 = 8,413,992.01 : x
  2. Step 2: Convert to fraction form
    15,289,509.95/21,099,527.29 = 8,413,992.01/x
  3. Step 3: Cross multiply
    15,289,509.95x = 21,099,527.29 × 8,413,992.01
  4. Step 4: Simplify right side
    15,289,509.95x = 177,531,254,069,728.88
  5. Step 5: Solve for x
    x = 177,531,254,069,728.88/15,289,509.95
  6. Step 6: Final answer
    x = 11,611,310.94

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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.