Home / 30,276,141.86-41,781,116.01-19,411,125.54

Finding the Fourth Proportional to 30,276,141.86, 41,781,116.01 and 19,411,125.54

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Solution

The fourth proportional to 30,276,141.86, 41,781,116.01 and 19,411,125.54 is: 26,787,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,141.86 : 41,781,116.01 = 19,411,125.54 : x
  2. Step 2: Convert to fraction form
    30,276,141.86/41,781,116.01 = 19,411,125.54/x
  3. Step 3: Cross multiply
    30,276,141.86x = 41,781,116.01 × 19,411,125.54
  4. Step 4: Simplify right side
    30,276,141.86x = 811,018,488,071,413.88
  5. Step 5: Solve for x
    x = 811,018,488,071,413.88/30,276,141.86
  6. Step 6: Final answer
    x = 26,787,379.05

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1.5x scale

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.