Home / 30,470,758.72-45,706,406-7,751,680

Finding the Fourth Proportional to 30,470,758.72, 45,706,406 and 7,751,680

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Solution

The fourth proportional to 30,470,758.72, 45,706,406 and 7,751,680 is: 11,627,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,470,758.72 : 45,706,406 = 7,751,680 : x
  2. Step 2: Convert to fraction form
    30,470,758.72/45,706,406 = 7,751,680/x
  3. Step 3: Cross multiply
    30,470,758.72x = 45,706,406 × 7,751,680
  4. Step 4: Simplify right side
    30,470,758.72x = 354,301,433,262,080
  5. Step 5: Solve for x
    x = 354,301,433,262,080/30,470,758.72
  6. Step 6: Final answer
    x = 11,627,588.16

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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.