Home / 28,045,718.10-42,058,079.55-9,842,879.70

Finding the Fourth Proportional to 28,045,718.10, 42,058,079.55 and 9,842,879.70

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Solution

The fourth proportional to 28,045,718.10, 42,058,079.55 and 9,842,879.70 is: 14,760,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,718.10 : 42,058,079.55 = 9,842,879.70 : x
  2. Step 2: Convert to fraction form
    28,045,718.10/42,058,079.55 = 9,842,879.70/x
  3. Step 3: Cross multiply
    28,045,718.10x = 42,058,079.55 × 9,842,879.70
  4. Step 4: Simplify right side
    28,045,718.10x = 413,972,617,423,680.06
  5. Step 5: Solve for x
    x = 413,972,617,423,680.06/28,045,718.10
  6. Step 6: Final answer
    x = 14,760,635.33

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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.