Home / 10,075,078.95-13,903,454.66-5,664,808.47

Finding the Fourth Proportional to 10,075,078.95, 13,903,454.66 and 5,664,808.47

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Solution

The fourth proportional to 10,075,078.95, 13,903,454.66 and 5,664,808.47 is: 7,817,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075,078.95 : 13,903,454.66 = 5,664,808.47 : x
  2. Step 2: Convert to fraction form
    10,075,078.95/13,903,454.66 = 5,664,808.47/x
  3. Step 3: Cross multiply
    10,075,078.95x = 13,903,454.66 × 5,664,808.47
  4. Step 4: Simplify right side
    10,075,078.95x = 78,760,407,650,711.70
  5. Step 5: Solve for x
    x = 78,760,407,650,711.70/10,075,078.95
  6. Step 6: Final answer
    x = 7,817,348.93

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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.