Home / 13,376,075.22-18,460,122.21-7,575,888.78

Finding the Fourth Proportional to 13,376,075.22, 18,460,122.21 and 7,575,888.78

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Solution

The fourth proportional to 13,376,075.22, 18,460,122.21 and 7,575,888.78 is: 10,455,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,075.22 : 18,460,122.21 = 7,575,888.78 : x
  2. Step 2: Convert to fraction form
    13,376,075.22/18,460,122.21 = 7,575,888.78/x
  3. Step 3: Cross multiply
    13,376,075.22x = 18,460,122.21 × 7,575,888.78
  4. Step 4: Simplify right side
    13,376,075.22x = 139,851,832,728,167.81
  5. Step 5: Solve for x
    x = 139,851,832,728,167.81/13,376,075.22
  6. Step 6: Final answer
    x = 10,455,371.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.