Home / 8,075,416.29-11,143,681.27-4,812,158.35

Finding the Fourth Proportional to 8,075,416.29, 11,143,681.27 and 4,812,158.35

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Solution

The fourth proportional to 8,075,416.29, 11,143,681.27 and 4,812,158.35 is: 6,640,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,416.29 : 11,143,681.27 = 4,812,158.35 : x
  2. Step 2: Convert to fraction form
    8,075,416.29/11,143,681.27 = 4,812,158.35/x
  3. Step 3: Cross multiply
    8,075,416.29x = 11,143,681.27 × 4,812,158.35
  4. Step 4: Simplify right side
    8,075,416.29x = 53,625,158,873,169.10
  5. Step 5: Solve for x
    x = 53,625,158,873,169.10/8,075,416.29
  6. Step 6: Final answer
    x = 6,640,544.21

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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.