Home / 14,172,823.40-21,255,087.90-5,073,866.60

Finding the Fourth Proportional to 14,172,823.40, 21,255,087.90 and 5,073,866.60

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Solution

The fourth proportional to 14,172,823.40, 21,255,087.90 and 5,073,866.60 is: 7,609,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172,823.40 : 21,255,087.90 = 5,073,866.60 : x
  2. Step 2: Convert to fraction form
    14,172,823.40/21,255,087.90 = 5,073,866.60/x
  3. Step 3: Cross multiply
    14,172,823.40x = 21,255,087.90 × 5,073,866.60
  4. Step 4: Simplify right side
    14,172,823.40x = 107,845,480,575,874.12
  5. Step 5: Solve for x
    x = 107,845,480,575,874.12/14,172,823.40
  6. Step 6: Final answer
    x = 7,609,315.20

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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.