Home / 30,602,937.16-42,232,049.22-16,851,867.40

Finding the Fourth Proportional to 30,602,937.16, 42,232,049.22 and 16,851,867.40

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Solution

The fourth proportional to 30,602,937.16, 42,232,049.22 and 16,851,867.40 is: 23,255,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,937.16 : 42,232,049.22 = 16,851,867.40 : x
  2. Step 2: Convert to fraction form
    30,602,937.16/42,232,049.22 = 16,851,867.40/x
  3. Step 3: Cross multiply
    30,602,937.16x = 42,232,049.22 × 16,851,867.40
  4. Step 4: Simplify right side
    30,602,937.16x = 711,688,893,485,713.38
  5. Step 5: Solve for x
    x = 711,688,893,485,713.38/30,602,937.16
  6. Step 6: Final answer
    x = 23,255,574.78

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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.