Home / 17,901,940.80-26,852,911.20-5,122,862.40

Finding the Fourth Proportional to 17,901,940.80, 26,852,911.20 and 5,122,862.40

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Solution

The fourth proportional to 17,901,940.80, 26,852,911.20 and 5,122,862.40 is: 7,684,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,901,940.80 : 26,852,911.20 = 5,122,862.40 : x
  2. Step 2: Convert to fraction form
    17,901,940.80/26,852,911.20 = 5,122,862.40/x
  3. Step 3: Cross multiply
    17,901,940.80x = 26,852,911.20 × 5,122,862.40
  4. Step 4: Simplify right side
    17,901,940.80x = 137,563,769,117,018.89
  5. Step 5: Solve for x
    x = 137,563,769,117,018.89/17,901,940.80
  6. Step 6: Final answer
    x = 7,684,293.60

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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.