Home / 13,999,651.74-21,007,006.43-13,490,086.55

Finding the Fourth Proportional to 13,999,651.74, 21,007,006.43 and 13,490,086.55

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Solution

The fourth proportional to 13,999,651.74, 21,007,006.43 and 13,490,086.55 is: 20,242,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999,651.74 : 21,007,006.43 = 13,490,086.55 : x
  2. Step 2: Convert to fraction form
    13,999,651.74/21,007,006.43 = 13,490,086.55/x
  3. Step 3: Cross multiply
    13,999,651.74x = 21,007,006.43 × 13,490,086.55
  4. Step 4: Simplify right side
    13,999,651.74x = 283,386,334,724,621.06
  5. Step 5: Solve for x
    x = 283,386,334,724,621.06/13,999,651.74
  6. Step 6: Final answer
    x = 20,242,384.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.