Home / 28,404,006.40-42,606,009.60-17,038,604.80

Finding the Fourth Proportional to 28,404,006.40, 42,606,009.60 and 17,038,604.80

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Solution

The fourth proportional to 28,404,006.40, 42,606,009.60 and 17,038,604.80 is: 25,557,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404,006.40 : 42,606,009.60 = 17,038,604.80 : x
  2. Step 2: Convert to fraction form
    28,404,006.40/42,606,009.60 = 17,038,604.80/x
  3. Step 3: Cross multiply
    28,404,006.40x = 42,606,009.60 × 17,038,604.80
  4. Step 4: Simplify right side
    28,404,006.40x = 725,946,959,679,406.12
  5. Step 5: Solve for x
    x = 725,946,959,679,406.12/28,404,006.40
  6. Step 6: Final answer
    x = 25,557,907.20

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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.