Home / 12,411,497.40-18,617,246.10-3,890,726.70

Finding the Fourth Proportional to 12,411,497.40, 18,617,246.10 and 3,890,726.70

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Solution

The fourth proportional to 12,411,497.40, 18,617,246.10 and 3,890,726.70 is: 5,836,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,497.40 : 18,617,246.10 = 3,890,726.70 : x
  2. Step 2: Convert to fraction form
    12,411,497.40/18,617,246.10 = 3,890,726.70/x
  3. Step 3: Cross multiply
    12,411,497.40x = 18,617,246.10 × 3,890,726.70
  4. Step 4: Simplify right side
    12,411,497.40x = 72,434,616,481,740.88
  5. Step 5: Solve for x
    x = 72,434,616,481,740.88/12,411,497.40
  6. Step 6: Final answer
    x = 5,836,090.05

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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.