Home / 8,422,075.29-12,638,719.35-4,584,866.34

Finding the Fourth Proportional to 8,422,075.29, 12,638,719.35 and 4,584,866.34

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Solution

The fourth proportional to 8,422,075.29, 12,638,719.35 and 4,584,866.34 is: 6,880,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,075.29 : 12,638,719.35 = 4,584,866.34 : x
  2. Step 2: Convert to fraction form
    8,422,075.29/12,638,719.35 = 4,584,866.34/x
  3. Step 3: Cross multiply
    8,422,075.29x = 12,638,719.35 × 4,584,866.34
  4. Step 4: Simplify right side
    8,422,075.29x = 57,946,838,928,521.67
  5. Step 5: Solve for x
    x = 57,946,838,928,521.67/8,422,075.29
  6. Step 6: Final answer
    x = 6,880,351.57

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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.