Home / 30,432,126.60-41,997,944.34-16,681,670.28

Finding the Fourth Proportional to 30,432,126.60, 41,997,944.34 and 16,681,670.28

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Solution

The fourth proportional to 30,432,126.60, 41,997,944.34 and 16,681,670.28 is: 23,021,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,126.60 : 41,997,944.34 = 16,681,670.28 : x
  2. Step 2: Convert to fraction form
    30,432,126.60/41,997,944.34 = 16,681,670.28/x
  3. Step 3: Cross multiply
    30,432,126.60x = 41,997,944.34 × 16,681,670.28
  4. Step 4: Simplify right side
    30,432,126.60x = 700,595,859,917,672.25
  5. Step 5: Solve for x
    x = 700,595,859,917,672.25/30,432,126.60
  6. Step 6: Final answer
    x = 23,021,587.32

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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.