Home / 19,413,346.18-29,097,893.66-12,130,168.71

Finding the Fourth Proportional to 19,413,346.18, 29,097,893.66 and 12,130,168.71

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Solution

The fourth proportional to 19,413,346.18, 29,097,893.66 and 12,130,168.71 is: 18,181,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413,346.18 : 29,097,893.66 = 12,130,168.71 : x
  2. Step 2: Convert to fraction form
    19,413,346.18/29,097,893.66 = 12,130,168.71/x
  3. Step 3: Cross multiply
    19,413,346.18x = 29,097,893.66 × 12,130,168.71
  4. Step 4: Simplify right side
    19,413,346.18x = 352,962,359,270,436.69
  5. Step 5: Solve for x
    x = 352,962,359,270,436.69/19,413,346.18
  6. Step 6: Final answer
    x = 18,181,428.18

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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.