Home / 20,219,810.40-30,329,715.60-8,882,402.40

Finding the Fourth Proportional to 20,219,810.40, 30,329,715.60 and 8,882,402.40

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Solution

The fourth proportional to 20,219,810.40, 30,329,715.60 and 8,882,402.40 is: 13,323,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,810.40 : 30,329,715.60 = 8,882,402.40 : x
  2. Step 2: Convert to fraction form
    20,219,810.40/30,329,715.60 = 8,882,402.40/x
  3. Step 3: Cross multiply
    20,219,810.40x = 30,329,715.60 × 8,882,402.40
  4. Step 4: Simplify right side
    20,219,810.40x = 269,400,738,636,757.47
  5. Step 5: Solve for x
    x = 269,400,738,636,757.47/20,219,810.40
  6. Step 6: Final answer
    x = 13,323,603.60

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1.5x scale

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.