Home / 47,931,820.60-71,890,643.86-17,632,597.72

Finding the Fourth Proportional to 47,931,820.60, 71,890,643.86 and 17,632,597.72

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Solution

The fourth proportional to 47,931,820.60, 71,890,643.86 and 17,632,597.72 is: 26,446,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931,820.60 : 71,890,643.86 = 17,632,597.72 : x
  2. Step 2: Convert to fraction form
    47,931,820.60/71,890,643.86 = 17,632,597.72/x
  3. Step 3: Cross multiply
    47,931,820.60x = 71,890,643.86 × 17,632,597.72
  4. Step 4: Simplify right side
    47,931,820.60x = 1,267,618,803,015,168
  5. Step 5: Solve for x
    x = 1,267,618,803,015,168/47,931,820.60
  6. Step 6: Final answer
    x = 26,446,289.48

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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.