Home / 20,386,042.66-30,584,356.53-7,606,643.50

Finding the Fourth Proportional to 20,386,042.66, 30,584,356.53 and 7,606,643.50

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Solution

The fourth proportional to 20,386,042.66, 30,584,356.53 and 7,606,643.50 is: 11,411,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386,042.66 : 30,584,356.53 = 7,606,643.50 : x
  2. Step 2: Convert to fraction form
    20,386,042.66/30,584,356.53 = 7,606,643.50/x
  3. Step 3: Cross multiply
    20,386,042.66x = 30,584,356.53 × 7,606,643.50
  4. Step 4: Simplify right side
    20,386,042.66x = 232,644,296,800,607.06
  5. Step 5: Solve for x
    x = 232,644,296,800,607.06/20,386,042.66
  6. Step 6: Final answer
    x = 11,411,940.06

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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.