Home / 26,950,979.40-40,426,469.10-9,908,125.80

Finding the Fourth Proportional to 26,950,979.40, 40,426,469.10 and 9,908,125.80

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Solution

The fourth proportional to 26,950,979.40, 40,426,469.10 and 9,908,125.80 is: 14,862,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,950,979.40 : 40,426,469.10 = 9,908,125.80 : x
  2. Step 2: Convert to fraction form
    26,950,979.40/40,426,469.10 = 9,908,125.80/x
  3. Step 3: Cross multiply
    26,950,979.40x = 40,426,469.10 × 9,908,125.80
  4. Step 4: Simplify right side
    26,950,979.40x = 400,550,541,492,612.81
  5. Step 5: Solve for x
    x = 400,550,541,492,612.81/26,950,979.40
  6. Step 6: Final answer
    x = 14,862,188.70

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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.