Home / 30,468,480.12-42,047,276.38-16,717,440.60

Finding the Fourth Proportional to 30,468,480.12, 42,047,276.38 and 16,717,440.60

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Solution

The fourth proportional to 30,468,480.12, 42,047,276.38 and 16,717,440.60 is: 23,070,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,480.12 : 42,047,276.38 = 16,717,440.60 : x
  2. Step 2: Convert to fraction form
    30,468,480.12/42,047,276.38 = 16,717,440.60/x
  3. Step 3: Cross multiply
    30,468,480.12x = 42,047,276.38 × 16,717,440.60
  4. Step 4: Simplify right side
    30,468,480.12x = 702,922,845,274,433
  5. Step 5: Solve for x
    x = 702,922,845,274,433/30,468,480.12
  6. Step 6: Final answer
    x = 23,070,492.60

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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.