Home / 25,681,143.90-35,408,988.72-22,190,173.50

Finding the Fourth Proportional to 25,681,143.90, 35,408,988.72 and 22,190,173.50

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Solution

The fourth proportional to 25,681,143.90, 35,408,988.72 and 22,190,173.50 is: 30,595,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681,143.90 : 35,408,988.72 = 22,190,173.50 : x
  2. Step 2: Convert to fraction form
    25,681,143.90/35,408,988.72 = 22,190,173.50/x
  3. Step 3: Cross multiply
    25,681,143.90x = 35,408,988.72 × 22,190,173.50
  4. Step 4: Simplify right side
    25,681,143.90x = 785,731,603,156,342.88
  5. Step 5: Solve for x
    x = 785,731,603,156,342.88/25,681,143.90
  6. Step 6: Final answer
    x = 30,595,662.18

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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.