Home / 13,383,547.12-20,075,280.96-3,798,933.76

Finding the Fourth Proportional to 13,383,547.12, 20,075,280.96 and 3,798,933.76

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Solution

The fourth proportional to 13,383,547.12, 20,075,280.96 and 3,798,933.76 is: 5,698,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,547.12 : 20,075,280.96 = 3,798,933.76 : x
  2. Step 2: Convert to fraction form
    13,383,547.12/20,075,280.96 = 3,798,933.76/x
  3. Step 3: Cross multiply
    13,383,547.12x = 20,075,280.96 × 3,798,933.76
  4. Step 4: Simplify right side
    13,383,547.12x = 76,264,662,580,429.20
  5. Step 5: Solve for x
    x = 76,264,662,580,429.20/13,383,547.12
  6. Step 6: Final answer
    x = 5,698,389.37

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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.