Home / 28,021,717.37-42,031,081.37-7,551,108.28

Finding the Fourth Proportional to 28,021,717.37, 42,031,081.37 and 7,551,108.28

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Solution

The fourth proportional to 28,021,717.37, 42,031,081.37 and 7,551,108.28 is: 11,326,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021,717.37 : 42,031,081.37 = 7,551,108.28 : x
  2. Step 2: Convert to fraction form
    28,021,717.37/42,031,081.37 = 7,551,108.28/x
  3. Step 3: Cross multiply
    28,021,717.37x = 42,031,081.37 × 7,551,108.28
  4. Step 4: Simplify right side
    28,021,717.37x = 317,381,246,302,449.81
  5. Step 5: Solve for x
    x = 317,381,246,302,449.81/28,021,717.37
  6. Step 6: Final answer
    x = 11,326,259.63

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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.