Home / 31,634,146.22-47,450,776.39-12,465,069.35

Finding the Fourth Proportional to 31,634,146.22, 47,450,776.39 and 12,465,069.35

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Solution

The fourth proportional to 31,634,146.22, 47,450,776.39 and 12,465,069.35 is: 18,697,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634,146.22 : 47,450,776.39 = 12,465,069.35 : x
  2. Step 2: Convert to fraction form
    31,634,146.22/47,450,776.39 = 12,465,069.35/x
  3. Step 3: Cross multiply
    31,634,146.22x = 47,450,776.39 × 12,465,069.35
  4. Step 4: Simplify right side
    31,634,146.22x = 591,477,218,144,276.12
  5. Step 5: Solve for x
    x = 591,477,218,144,276.12/31,634,146.22
  6. Step 6: Final answer
    x = 18,697,429.48

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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.