Home / 30,602,643.68-42,231,648.84-16,851,574.64

Finding the Fourth Proportional to 30,602,643.68, 42,231,648.84 and 16,851,574.64

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Solution

The fourth proportional to 30,602,643.68, 42,231,648.84 and 16,851,574.64 is: 23,255,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,643.68 : 42,231,648.84 = 16,851,574.64 : x
  2. Step 2: Convert to fraction form
    30,602,643.68/42,231,648.84 = 16,851,574.64/x
  3. Step 3: Cross multiply
    30,602,643.68x = 42,231,648.84 × 16,851,574.64
  4. Step 4: Simplify right side
    30,602,643.68x = 711,669,782,597,529.50
  5. Step 5: Solve for x
    x = 711,669,782,597,529.50/30,602,643.68
  6. Step 6: Final answer
    x = 23,255,173.31

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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.