Home / 7,005,702.80-10,508,180.35-1,888,050.58

Finding the Fourth Proportional to 7,005,702.80, 10,508,180.35 and 1,888,050.58

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Solution

The fourth proportional to 7,005,702.80, 10,508,180.35 and 1,888,050.58 is: 2,831,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005,702.80 : 10,508,180.35 = 1,888,050.58 : x
  2. Step 2: Convert to fraction form
    7,005,702.80/10,508,180.35 = 1,888,050.58/x
  3. Step 3: Cross multiply
    7,005,702.80x = 10,508,180.35 × 1,888,050.58
  4. Step 4: Simplify right side
    7,005,702.80x = 19,839,975,952,021.20
  5. Step 5: Solve for x
    x = 19,839,975,952,021.20/7,005,702.80
  6. Step 6: Final answer
    x = 2,831,975.11

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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.