Home / 20,888,915.45-31,333,373.18-14,511,623.45

Finding the Fourth Proportional to 20,888,915.45, 31,333,373.18 and 14,511,623.45

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Solution

The fourth proportional to 20,888,915.45, 31,333,373.18 and 14,511,623.45 is: 21,767,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,915.45 : 31,333,373.18 = 14,511,623.45 : x
  2. Step 2: Convert to fraction form
    20,888,915.45/31,333,373.18 = 14,511,623.45/x
  3. Step 3: Cross multiply
    20,888,915.45x = 31,333,373.18 × 14,511,623.45
  4. Step 4: Simplify right side
    20,888,915.45x = 454,698,113,006,489.06
  5. Step 5: Solve for x
    x = 454,698,113,006,489.06/20,888,915.45
  6. Step 6: Final answer
    x = 21,767,435.18

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1.5x scale

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.