Home / 21,100,389.69-31,650,239.07-6,723,263.10

Finding the Fourth Proportional to 21,100,389.69, 31,650,239.07 and 6,723,263.10

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Solution

The fourth proportional to 21,100,389.69, 31,650,239.07 and 6,723,263.10 is: 10,084,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,100,389.69 : 31,650,239.07 = 6,723,263.10 : x
  2. Step 2: Convert to fraction form
    21,100,389.69/31,650,239.07 = 6,723,263.10/x
  3. Step 3: Cross multiply
    21,100,389.69x = 31,650,239.07 × 6,723,263.10
  4. Step 4: Simplify right side
    21,100,389.69x = 212,792,884,445,509.31
  5. Step 5: Solve for x
    x = 212,792,884,445,509.31/21,100,389.69
  6. Step 6: Final answer
    x = 10,084,784.57

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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.