Home / 31,529,720.35-47,271,882.03-19,374,068.53

Finding the Fourth Proportional to 31,529,720.35, 47,271,882.03 and 19,374,068.53

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Solution

The fourth proportional to 31,529,720.35, 47,271,882.03 and 19,374,068.53 is: 29,047,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,720.35 : 47,271,882.03 = 19,374,068.53 : x
  2. Step 2: Convert to fraction form
    31,529,720.35/47,271,882.03 = 19,374,068.53/x
  3. Step 3: Cross multiply
    31,529,720.35x = 47,271,882.03 × 19,374,068.53
  4. Step 4: Simplify right side
    31,529,720.35x = 915,848,681,991,295.62
  5. Step 5: Solve for x
    x = 915,848,681,991,295.62/31,529,720.35
  6. Step 6: Final answer
    x = 29,047,155.25

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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.