Home / 20,289,271.73-30,434,350.65-12,209,006.57

Finding the Fourth Proportional to 20,289,271.73, 30,434,350.65 and 12,209,006.57

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Solution

The fourth proportional to 20,289,271.73, 30,434,350.65 and 12,209,006.57 is: 18,313,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289,271.73 : 30,434,350.65 = 12,209,006.57 : x
  2. Step 2: Convert to fraction form
    20,289,271.73/30,434,350.65 = 12,209,006.57/x
  3. Step 3: Cross multiply
    20,289,271.73x = 30,434,350.65 × 12,209,006.57
  4. Step 4: Simplify right side
    20,289,271.73x = 371,573,186,887,362
  5. Step 5: Solve for x
    x = 371,573,186,887,362/20,289,271.73
  6. Step 6: Final answer
    x = 18,313,776.46

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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.