Home / 13,065,095.87-18,030,842.25-7,838,299.82

Finding the Fourth Proportional to 13,065,095.87, 18,030,842.25 and 7,838,299.82

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Solution

The fourth proportional to 13,065,095.87, 18,030,842.25 and 7,838,299.82 is: 10,817,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,095.87 : 18,030,842.25 = 7,838,299.82 : x
  2. Step 2: Convert to fraction form
    13,065,095.87/18,030,842.25 = 7,838,299.82/x
  3. Step 3: Cross multiply
    13,065,095.87x = 18,030,842.25 × 7,838,299.82
  4. Step 4: Simplify right side
    13,065,095.87x = 141,331,147,562,623.41
  5. Step 5: Solve for x
    x = 141,331,147,562,623.41/13,065,095.87
  6. Step 6: Final answer
    x = 10,817,459.66

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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.