Home / 12,671,521.76-19,009,179.45-4,586,389.11

Finding the Fourth Proportional to 12,671,521.76, 19,009,179.45 and 4,586,389.11

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Solution

The fourth proportional to 12,671,521.76, 19,009,179.45 and 4,586,389.11 is: 6,880,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,521.76 : 19,009,179.45 = 4,586,389.11 : x
  2. Step 2: Convert to fraction form
    12,671,521.76/19,009,179.45 = 4,586,389.11/x
  3. Step 3: Cross multiply
    12,671,521.76x = 19,009,179.45 × 4,586,389.11
  4. Step 4: Simplify right side
    12,671,521.76x = 87,183,493,619,515.80
  5. Step 5: Solve for x
    x = 87,183,493,619,515.80/12,671,521.76
  6. Step 6: Final answer
    x = 6,880,270.20

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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.