Home / 13,146,779.74-19,809,905.96-10,803,124.93

Finding the Fourth Proportional to 13,146,779.74, 19,809,905.96 and 10,803,124.93

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Solution

The fourth proportional to 13,146,779.74, 19,809,905.96 and 10,803,124.93 is: 16,278,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,779.74 : 19,809,905.96 = 10,803,124.93 : x
  2. Step 2: Convert to fraction form
    13,146,779.74/19,809,905.96 = 10,803,124.93/x
  3. Step 3: Cross multiply
    13,146,779.74x = 19,809,905.96 × 10,803,124.93
  4. Step 4: Simplify right side
    13,146,779.74x = 214,008,888,833,891.19
  5. Step 5: Solve for x
    x = 214,008,888,833,891.19/13,146,779.74
  6. Step 6: Final answer
    x = 16,278,426.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.