Home / 13,140,142.93-19,710,262.91-4,042,177.51

Finding the Fourth Proportional to 13,140,142.93, 19,710,262.91 and 4,042,177.51

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Solution

The fourth proportional to 13,140,142.93, 19,710,262.91 and 4,042,177.51 is: 6,063,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,142.93 : 19,710,262.91 = 4,042,177.51 : x
  2. Step 2: Convert to fraction form
    13,140,142.93/19,710,262.91 = 4,042,177.51/x
  3. Step 3: Cross multiply
    13,140,142.93x = 19,710,262.91 × 4,042,177.51
  4. Step 4: Simplify right side
    13,140,142.93x = 79,672,381,450,989.16
  5. Step 5: Solve for x
    x = 79,672,381,450,989.16/13,140,142.93
  6. Step 6: Final answer
    x = 6,063,281.19

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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.