Home / 20,199,417.30-30,299,125.95-19,880,552.70

Finding the Fourth Proportional to 20,199,417.30, 30,299,125.95 and 19,880,552.70

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Solution

The fourth proportional to 20,199,417.30, 30,299,125.95 and 19,880,552.70 is: 29,820,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,417.30 : 30,299,125.95 = 19,880,552.70 : x
  2. Step 2: Convert to fraction form
    20,199,417.30/30,299,125.95 = 19,880,552.70/x
  3. Step 3: Cross multiply
    20,199,417.30x = 30,299,125.95 × 19,880,552.70
  4. Step 4: Simplify right side
    20,199,417.30x = 602,363,370,212,912.50
  5. Step 5: Solve for x
    x = 602,363,370,212,912.50/20,199,417.30
  6. Step 6: Final answer
    x = 29,820,829.05

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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.