Home / 12,208,043.20-18,314,980.80-3,688,463.20

Finding the Fourth Proportional to 12,208,043.20, 18,314,980.80 and 3,688,463.20

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Solution

The fourth proportional to 12,208,043.20, 18,314,980.80 and 3,688,463.20 is: 5,533,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,043.20 : 18,314,980.80 = 3,688,463.20 : x
  2. Step 2: Convert to fraction form
    12,208,043.20/18,314,980.80 = 3,688,463.20/x
  3. Step 3: Cross multiply
    12,208,043.20x = 18,314,980.80 × 3,688,463.20
  4. Step 4: Simplify right side
    12,208,043.20x = 67,554,132,689,506.56
  5. Step 5: Solve for x
    x = 67,554,132,689,506.56/12,208,043.20
  6. Step 6: Final answer
    x = 5,533,575.82

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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.