Home / 21,001,315.84-31,503,750.72-5,855,260.48

Finding the Fourth Proportional to 21,001,315.84, 31,503,750.72 and 5,855,260.48

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Solution

The fourth proportional to 21,001,315.84, 31,503,750.72 and 5,855,260.48 is: 8,783,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,315.84 : 31,503,750.72 = 5,855,260.48 : x
  2. Step 2: Convert to fraction form
    21,001,315.84/31,503,750.72 = 5,855,260.48/x
  3. Step 3: Cross multiply
    21,001,315.84x = 31,503,750.72 × 5,855,260.48
  4. Step 4: Simplify right side
    21,001,315.84x = 184,462,666,562,587.56
  5. Step 5: Solve for x
    x = 184,462,666,562,587.56/21,001,315.84
  6. Step 6: Final answer
    x = 8,783,386.14

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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.