Home / 30,614,647.40-42,248,215.72-16,863,611.52

Finding the Fourth Proportional to 30,614,647.40, 42,248,215.72 and 16,863,611.52

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Solution

The fourth proportional to 30,614,647.40, 42,248,215.72 and 16,863,611.52 is: 23,271,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,647.40 : 42,248,215.72 = 16,863,611.52 : x
  2. Step 2: Convert to fraction form
    30,614,647.40/42,248,215.72 = 16,863,611.52/x
  3. Step 3: Cross multiply
    30,614,647.40x = 42,248,215.72 × 16,863,611.52
  4. Step 4: Simplify right side
    30,614,647.40x = 712,457,497,315,237
  5. Step 5: Solve for x
    x = 712,457,497,315,237/30,614,647.40
  6. Step 6: Final answer
    x = 23,271,785.17

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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.