Home / 13,377,075.66-18,459,745.74-7,575,899.04

Finding the Fourth Proportional to 13,377,075.66, 18,459,745.74 and 7,575,899.04

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Solution

The fourth proportional to 13,377,075.66, 18,459,745.74 and 7,575,899.04 is: 10,454,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,075.66 : 18,459,745.74 = 7,575,899.04 : x
  2. Step 2: Convert to fraction form
    13,377,075.66/18,459,745.74 = 7,575,899.04/x
  3. Step 3: Cross multiply
    13,377,075.66x = 18,459,745.74 × 7,575,899.04
  4. Step 4: Simplify right side
    13,377,075.66x = 139,849,170,030,310.08
  5. Step 5: Solve for x
    x = 139,849,170,030,310.08/13,377,075.66
  6. Step 6: Final answer
    x = 10,454,390.30

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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.