Home / 8,750,557.31-12,075,122.30-5,078,881.26

Finding the Fourth Proportional to 8,750,557.31, 12,075,122.30 and 5,078,881.26

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Solution

The fourth proportional to 8,750,557.31, 12,075,122.30 and 5,078,881.26 is: 7,008,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,557.31 : 12,075,122.30 = 5,078,881.26 : x
  2. Step 2: Convert to fraction form
    8,750,557.31/12,075,122.30 = 5,078,881.26/x
  3. Step 3: Cross multiply
    8,750,557.31x = 12,075,122.30 × 5,078,881.26
  4. Step 4: Simplify right side
    8,750,557.31x = 61,328,112,336,283.69
  5. Step 5: Solve for x
    x = 61,328,112,336,283.69/8,750,557.31
  6. Step 6: Final answer
    x = 7,008,480.74

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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.