Home / 21,863,608.40-32,809,409.40-12,765,688.40

Finding the Fourth Proportional to 21,863,608.40, 32,809,409.40 and 12,765,688.40

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Solution

The fourth proportional to 21,863,608.40, 32,809,409.40 and 12,765,688.40 is: 19,156,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,608.40 : 32,809,409.40 = 12,765,688.40 : x
  2. Step 2: Convert to fraction form
    21,863,608.40/32,809,409.40 = 12,765,688.40/x
  3. Step 3: Cross multiply
    21,863,608.40x = 32,809,409.40 × 12,765,688.40
  4. Step 4: Simplify right side
    21,863,608.40x = 418,834,696,988,430.94
  5. Step 5: Solve for x
    x = 418,834,696,988,430.94/21,863,608.40
  6. Step 6: Final answer
    x = 19,156,705.03

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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.