Home / 11,822,457.80-17,733,686.70-7,783,506.20

Finding the Fourth Proportional to 11,822,457.80, 17,733,686.70 and 7,783,506.20

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Solution

The fourth proportional to 11,822,457.80, 17,733,686.70 and 7,783,506.20 is: 11,675,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822,457.80 : 17,733,686.70 = 7,783,506.20 : x
  2. Step 2: Convert to fraction form
    11,822,457.80/17,733,686.70 = 7,783,506.20/x
  3. Step 3: Cross multiply
    11,822,457.80x = 17,733,686.70 × 7,783,506.20
  4. Step 4: Simplify right side
    11,822,457.80x = 138,030,260,378,307.53
  5. Step 5: Solve for x
    x = 138,030,260,378,307.53/11,822,457.80
  6. Step 6: Final answer
    x = 11,675,259.30

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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.