Home / 12,772,138.40-19,163,456.40-4,688,986.40

Finding the Fourth Proportional to 12,772,138.40, 19,163,456.40 and 4,688,986.40

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Solution

The fourth proportional to 12,772,138.40, 19,163,456.40 and 4,688,986.40 is: 7,035,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,138.40 : 19,163,456.40 = 4,688,986.40 : x
  2. Step 2: Convert to fraction form
    12,772,138.40/19,163,456.40 = 4,688,986.40/x
  3. Step 3: Cross multiply
    12,772,138.40x = 19,163,456.40 × 4,688,986.40
  4. Step 4: Simplify right side
    12,772,138.40x = 89,857,186,436,592.95
  5. Step 5: Solve for x
    x = 89,857,186,436,592.95/12,772,138.40
  6. Step 6: Final answer
    x = 7,035,406.57

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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.