Home / 15,243,609.36-21,035,408.40-9,048,920.88

Finding the Fourth Proportional to 15,243,609.36, 21,035,408.40 and 9,048,920.88

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Solution

The fourth proportional to 15,243,609.36, 21,035,408.40 and 9,048,920.88 is: 12,487,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,609.36 : 21,035,408.40 = 9,048,920.88 : x
  2. Step 2: Convert to fraction form
    15,243,609.36/21,035,408.40 = 9,048,920.88/x
  3. Step 3: Cross multiply
    15,243,609.36x = 21,035,408.40 × 9,048,920.88
  4. Step 4: Simplify right side
    15,243,609.36x = 190,347,746,290,087.41
  5. Step 5: Solve for x
    x = 190,347,746,290,087.41/15,243,609.36
  6. Step 6: Final answer
    x = 12,487,052.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.