Home / 18,929,415.60-28,338,136.20-17,822,113.20

Finding the Fourth Proportional to 18,929,415.60, 28,338,136.20 and 17,822,113.20

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Solution

The fourth proportional to 18,929,415.60, 28,338,136.20 and 17,822,113.20 is: 26,680,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,415.60 : 28,338,136.20 = 17,822,113.20 : x
  2. Step 2: Convert to fraction form
    18,929,415.60/28,338,136.20 = 17,822,113.20/x
  3. Step 3: Cross multiply
    18,929,415.60x = 28,338,136.20 × 17,822,113.20
  4. Step 4: Simplify right side
    18,929,415.60x = 505,045,471,233,417.81
  5. Step 5: Solve for x
    x = 505,045,471,233,417.81/18,929,415.60
  6. Step 6: Final answer
    x = 26,680,457.65

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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.