Home / 13,609,146.24-18,780,042.24-7,803,895.68

Finding the Fourth Proportional to 13,609,146.24, 18,780,042.24 and 7,803,895.68

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Solution

The fourth proportional to 13,609,146.24, 18,780,042.24 and 7,803,895.68 is: 10,769,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,146.24 : 18,780,042.24 = 7,803,895.68 : x
  2. Step 2: Convert to fraction form
    13,609,146.24/18,780,042.24 = 7,803,895.68/x
  3. Step 3: Cross multiply
    13,609,146.24x = 18,780,042.24 × 7,803,895.68
  4. Step 4: Simplify right side
    13,609,146.24x = 146,557,490,506,953.50
  5. Step 5: Solve for x
    x = 146,557,490,506,953.50/13,609,146.24
  6. Step 6: Final answer
    x = 10,769,043.69

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