Home / 13,230,039.70-19,845,059.55-4,719,985.30

Finding the Fourth Proportional to 13,230,039.70, 19,845,059.55 and 4,719,985.30

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Solution

The fourth proportional to 13,230,039.70, 19,845,059.55 and 4,719,985.30 is: 7,079,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230,039.70 : 19,845,059.55 = 4,719,985.30 : x
  2. Step 2: Convert to fraction form
    13,230,039.70/19,845,059.55 = 4,719,985.30/x
  3. Step 3: Cross multiply
    13,230,039.70x = 19,845,059.55 × 4,719,985.30
  4. Step 4: Simplify right side
    13,230,039.70x = 93,668,389,353,624.61
  5. Step 5: Solve for x
    x = 93,668,389,353,624.61/13,230,039.70
  6. Step 6: Final answer
    x = 7,079,977.95

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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.