Home / 28,905,752.03-39,892,460.51-15,855,533.21

Finding the Fourth Proportional to 28,905,752.03, 39,892,460.51 and 15,855,533.21

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Solution

The fourth proportional to 28,905,752.03, 39,892,460.51 and 15,855,533.21 is: 21,882,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,752.03 : 39,892,460.51 = 15,855,533.21 : x
  2. Step 2: Convert to fraction form
    28,905,752.03/39,892,460.51 = 15,855,533.21/x
  3. Step 3: Cross multiply
    28,905,752.03x = 39,892,460.51 × 15,855,533.21
  4. Step 4: Simplify right side
    28,905,752.03x = 632,516,232,584,288.62
  5. Step 5: Solve for x
    x = 632,516,232,584,288.62/28,905,752.03
  6. Step 6: Final answer
    x = 21,882,019.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.