Home / 28,018,891.30-42,028,336.95-9,843,609.10

Finding the Fourth Proportional to 28,018,891.30, 42,028,336.95 and 9,843,609.10

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Solution

The fourth proportional to 28,018,891.30, 42,028,336.95 and 9,843,609.10 is: 14,765,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,891.30 : 42,028,336.95 = 9,843,609.10 : x
  2. Step 2: Convert to fraction form
    28,018,891.30/42,028,336.95 = 9,843,609.10/x
  3. Step 3: Cross multiply
    28,018,891.30x = 42,028,336.95 × 9,843,609.10
  4. Step 4: Simplify right side
    28,018,891.30x = 413,710,520,058,886.25
  5. Step 5: Solve for x
    x = 413,710,520,058,886.25/28,018,891.30
  6. Step 6: Final answer
    x = 14,765,413.65

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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.