Home / 13,163,526.45-18,165,561.92-7,362,303.61

Finding the Fourth Proportional to 13,163,526.45, 18,165,561.92 and 7,362,303.61

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Solution

The fourth proportional to 13,163,526.45, 18,165,561.92 and 7,362,303.61 is: 10,159,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,526.45 : 18,165,561.92 = 7,362,303.61 : x
  2. Step 2: Convert to fraction form
    13,163,526.45/18,165,561.92 = 7,362,303.61/x
  3. Step 3: Cross multiply
    13,163,526.45x = 18,165,561.92 × 7,362,303.61
  4. Step 4: Simplify right side
    13,163,526.45x = 133,740,382,101,294.55
  5. Step 5: Solve for x
    x = 133,740,382,101,294.55/13,163,526.45
  6. Step 6: Final answer
    x = 10,159,920.49

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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.