Home / 30,078,330.77-45,112,162.91-13,679,774.16

Finding the Fourth Proportional to 30,078,330.77, 45,112,162.91 and 13,679,774.16

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Solution

The fourth proportional to 30,078,330.77, 45,112,162.91 and 13,679,774.16 is: 20,517,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078,330.77 : 45,112,162.91 = 13,679,774.16 : x
  2. Step 2: Convert to fraction form
    30,078,330.77/45,112,162.91 = 13,679,774.16/x
  3. Step 3: Cross multiply
    30,078,330.77x = 45,112,162.91 × 13,679,774.16
  4. Step 4: Simplify right side
    30,078,330.77x = 617,124,200,409,529.50
  5. Step 5: Solve for x
    x = 617,124,200,409,529.50/30,078,330.77
  6. Step 6: Final answer
    x = 20,517,235.65

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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.