Home / 10,075,045.47-13,903,408.94-5,664,775.13

Finding the Fourth Proportional to 10,075,045.47, 13,903,408.94 and 5,664,775.13

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Solution

The fourth proportional to 10,075,045.47, 13,903,408.94 and 5,664,775.13 is: 7,817,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075,045.47 : 13,903,408.94 = 5,664,775.13 : x
  2. Step 2: Convert to fraction form
    10,075,045.47/13,903,408.94 = 5,664,775.13/x
  3. Step 3: Cross multiply
    10,075,045.47x = 13,903,408.94 × 5,664,775.13
  4. Step 4: Simplify right side
    10,075,045.47x = 78,759,685,185,531.66
  5. Step 5: Solve for x
    x = 78,759,685,185,531.66/10,075,045.47
  6. Step 6: Final answer
    x = 7,817,303.20

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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.