Home / 10,636,696.68-15,960,027.74-5,242,406.52

Finding the Fourth Proportional to 10,636,696.68, 15,960,027.74 and 5,242,406.52

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Solution

The fourth proportional to 10,636,696.68, 15,960,027.74 and 5,242,406.52 is: 7,866,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636,696.68 : 15,960,027.74 = 5,242,406.52 : x
  2. Step 2: Convert to fraction form
    10,636,696.68/15,960,027.74 = 5,242,406.52/x
  3. Step 3: Cross multiply
    10,636,696.68x = 15,960,027.74 × 5,242,406.52
  4. Step 4: Simplify right side
    10,636,696.68x = 83,668,953,483,556.86
  5. Step 5: Solve for x
    x = 83,668,953,483,556.86/10,636,696.68
  6. Step 6: Final answer
    x = 7,866,065.57

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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.