Home / 28,343,841.93-39,120,881.75-18,548,611.00

Finding the Fourth Proportional to 28,343,841.93, 39,120,881.75 and 18,548,611.00

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Solution

The fourth proportional to 28,343,841.93, 39,120,881.75 and 18,548,611.00 is: 25,601,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,841.93 : 39,120,881.75 = 18,548,611.00 : x
  2. Step 2: Convert to fraction form
    28,343,841.93/39,120,881.75 = 18,548,611.00/x
  3. Step 3: Cross multiply
    28,343,841.93x = 39,120,881.75 × 18,548,611.00
  4. Step 4: Simplify right side
    28,343,841.93x = 725,638,017,436,761.25
  5. Step 5: Solve for x
    x = 725,638,017,436,761.25/28,343,841.93
  6. Step 6: Final answer
    x = 25,601,258.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.