Home / 30,670,142.40-46,005,213.60-11,758,910.40

Finding the Fourth Proportional to 30,670,142.40, 46,005,213.60 and 11,758,910.40

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Solution

The fourth proportional to 30,670,142.40, 46,005,213.60 and 11,758,910.40 is: 17,638,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670,142.40 : 46,005,213.60 = 11,758,910.40 : x
  2. Step 2: Convert to fraction form
    30,670,142.40/46,005,213.60 = 11,758,910.40/x
  3. Step 3: Cross multiply
    30,670,142.40x = 46,005,213.60 × 11,758,910.40
  4. Step 4: Simplify right side
    30,670,142.40x = 540,971,184,655,261.50
  5. Step 5: Solve for x
    x = 540,971,184,655,261.50/30,670,142.40
  6. Step 6: Final answer
    x = 17,638,365.60

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1.5x scale

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.