Home / 28,041,888.72-42,058,625.82-8,870,154.66

Finding the Fourth Proportional to 28,041,888.72, 42,058,625.82 and 8,870,154.66

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Solution

The fourth proportional to 28,041,888.72, 42,058,625.82 and 8,870,154.66 is: 13,303,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041,888.72 : 42,058,625.82 = 8,870,154.66 : x
  2. Step 2: Convert to fraction form
    28,041,888.72/42,058,625.82 = 8,870,154.66/x
  3. Step 3: Cross multiply
    28,041,888.72x = 42,058,625.82 × 8,870,154.66
  4. Step 4: Simplify right side
    28,041,888.72x = 373,066,515,810,469.31
  5. Step 5: Solve for x
    x = 373,066,515,810,469.31/28,041,888.72
  6. Step 6: Final answer
    x = 13,303,901.16

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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.