Home / 7,131,344.40-10,692,293.40-3,938,000.40

Finding the Fourth Proportional to 7,131,344.40, 10,692,293.40 and 3,938,000.40

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Solution

The fourth proportional to 7,131,344.40, 10,692,293.40 and 3,938,000.40 is: 5,904,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,344.40 : 10,692,293.40 = 3,938,000.40 : x
  2. Step 2: Convert to fraction form
    7,131,344.40/10,692,293.40 = 3,938,000.40/x
  3. Step 3: Cross multiply
    7,131,344.40x = 10,692,293.40 × 3,938,000.40
  4. Step 4: Simplify right side
    7,131,344.40x = 42,106,255,686,117.36
  5. Step 5: Solve for x
    x = 42,106,255,686,117.36/7,131,344.40
  6. Step 6: Final answer
    x = 5,904,392.40

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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.