Home / 30,233,826.84-45,341,438.20-8,662,648.80

Finding the Fourth Proportional to 30,233,826.84, 45,341,438.20 and 8,662,648.80

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Solution

The fourth proportional to 30,233,826.84, 45,341,438.20 and 8,662,648.80 is: 12,991,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233,826.84 : 45,341,438.20 = 8,662,648.80 : x
  2. Step 2: Convert to fraction form
    30,233,826.84/45,341,438.20 = 8,662,648.80/x
  3. Step 3: Cross multiply
    30,233,826.84x = 45,341,438.20 × 8,662,648.80
  4. Step 4: Simplify right side
    30,233,826.84x = 392,776,955,213,504.25
  5. Step 5: Solve for x
    x = 392,776,955,213,504.25/30,233,826.84
  6. Step 6: Final answer
    x = 12,991,307.96

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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.