Home / 7,086,281.90-10,618,536.45-5,280,694.70

Finding the Fourth Proportional to 7,086,281.90, 10,618,536.45 and 5,280,694.70

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Solution

The fourth proportional to 7,086,281.90, 10,618,536.45 and 5,280,694.70 is: 7,912,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,281.90 : 10,618,536.45 = 5,280,694.70 : x
  2. Step 2: Convert to fraction form
    7,086,281.90/10,618,536.45 = 5,280,694.70/x
  3. Step 3: Cross multiply
    7,086,281.90x = 10,618,536.45 × 5,280,694.70
  4. Step 4: Simplify right side
    7,086,281.90x = 56,073,249,153,271.81
  5. Step 5: Solve for x
    x = 56,073,249,153,271.81/7,086,281.90
  6. Step 6: Final answer
    x = 7,912,929.51

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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.