Home / 21,907,797.47-30,074,445.87-18,804,933.98

Finding the Fourth Proportional to 21,907,797.47, 30,074,445.87 and 18,804,933.98

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Solution

The fourth proportional to 21,907,797.47, 30,074,445.87 and 18,804,933.98 is: 25,814,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,797.47 : 30,074,445.87 = 18,804,933.98 : x
  2. Step 2: Convert to fraction form
    21,907,797.47/30,074,445.87 = 18,804,933.98/x
  3. Step 3: Cross multiply
    21,907,797.47x = 30,074,445.87 × 18,804,933.98
  4. Step 4: Simplify right side
    21,907,797.47x = 565,547,968,920,061.50
  5. Step 5: Solve for x
    x = 565,547,968,920,061.50/21,907,797.47
  6. Step 6: Final answer
    x = 25,814,916.80

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.