Home / 10,429,794.80-15,626,029.80-8,936,802.80

Finding the Fourth Proportional to 10,429,794.80, 15,626,029.80 and 8,936,802.80

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Solution

The fourth proportional to 10,429,794.80, 15,626,029.80 and 8,936,802.80 is: 13,389,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,794.80 : 15,626,029.80 = 8,936,802.80 : x
  2. Step 2: Convert to fraction form
    10,429,794.80/15,626,029.80 = 8,936,802.80/x
  3. Step 3: Cross multiply
    10,429,794.80x = 15,626,029.80 × 8,936,802.80
  4. Step 4: Simplify right side
    10,429,794.80x = 139,646,746,869,523.45
  5. Step 5: Solve for x
    x = 139,646,746,869,523.45/10,429,794.80
  6. Step 6: Final answer
    x = 13,389,213.26

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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.