Home / 12,066,645.40-18,084,221.70-4,872,290.20

Finding the Fourth Proportional to 12,066,645.40, 18,084,221.70 and 4,872,290.20

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Solution

The fourth proportional to 12,066,645.40, 18,084,221.70 and 4,872,290.20 is: 7,302,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,645.40 : 18,084,221.70 = 4,872,290.20 : x
  2. Step 2: Convert to fraction form
    12,066,645.40/18,084,221.70 = 4,872,290.20/x
  3. Step 3: Cross multiply
    12,066,645.40x = 18,084,221.70 × 4,872,290.20
  4. Step 4: Simplify right side
    12,066,645.40x = 88,111,576,163,537.34
  5. Step 5: Solve for x
    x = 88,111,576,163,537.34/12,066,645.40
  6. Step 6: Final answer
    x = 7,302,077.19

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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.