Home / 28,999,860.48-40,018,731.75-15,946,342.74

Finding the Fourth Proportional to 28,999,860.48, 40,018,731.75 and 15,946,342.74

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Solution

The fourth proportional to 28,999,860.48, 40,018,731.75 and 15,946,342.74 is: 22,005,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999,860.48 : 40,018,731.75 = 15,946,342.74 : x
  2. Step 2: Convert to fraction form
    28,999,860.48/40,018,731.75 = 15,946,342.74/x
  3. Step 3: Cross multiply
    28,999,860.48x = 40,018,731.75 × 15,946,342.74
  4. Step 4: Simplify right side
    28,999,860.48x = 638,152,412,505,620
  5. Step 5: Solve for x
    x = 638,152,412,505,620/28,999,860.48
  6. Step 6: Final answer
    x = 22,005,361.47

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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.