Home / 30,003,124.30-45,004,686.45-28,743,412.30

Finding the Fourth Proportional to 30,003,124.30, 45,004,686.45 and 28,743,412.30

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Solution

The fourth proportional to 30,003,124.30, 45,004,686.45 and 28,743,412.30 is: 43,115,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003,124.30 : 45,004,686.45 = 28,743,412.30 : x
  2. Step 2: Convert to fraction form
    30,003,124.30/45,004,686.45 = 28,743,412.30/x
  3. Step 3: Cross multiply
    30,003,124.30x = 45,004,686.45 × 28,743,412.30
  4. Step 4: Simplify right side
    30,003,124.30x = 1,293,588,258,064,573.50
  5. Step 5: Solve for x
    x = 1,293,588,258,064,573.50/30,003,124.30
  6. Step 6: Final answer
    x = 43,115,118.45

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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.