Home / 7,138,528.11-10,706,416.79-2,020,918.95

Finding the Fourth Proportional to 7,138,528.11, 10,706,416.79 and 2,020,918.95

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Solution

The fourth proportional to 7,138,528.11, 10,706,416.79 and 2,020,918.95 is: 3,030,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,528.11 : 10,706,416.79 = 2,020,918.95 : x
  2. Step 2: Convert to fraction form
    7,138,528.11/10,706,416.79 = 2,020,918.95/x
  3. Step 3: Cross multiply
    7,138,528.11x = 10,706,416.79 × 2,020,918.95
  4. Step 4: Simplify right side
    7,138,528.11x = 21,636,800,567,404.57
  5. Step 5: Solve for x
    x = 21,636,800,567,404.57/7,138,528.11
  6. Step 6: Final answer
    x = 3,030,989.05

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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.