Home / 18,700,486.40-25,804,705.29-10,858,465.73

Finding the Fourth Proportional to 18,700,486.40, 25,804,705.29 and 10,858,465.73

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Solution

The fourth proportional to 18,700,486.40, 25,804,705.29 and 10,858,465.73 is: 14,983,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,486.40 : 25,804,705.29 = 10,858,465.73 : x
  2. Step 2: Convert to fraction form
    18,700,486.40/25,804,705.29 = 10,858,465.73/x
  3. Step 3: Cross multiply
    18,700,486.40x = 25,804,705.29 × 10,858,465.73
  4. Step 4: Simplify right side
    18,700,486.40x = 280,199,508,064,214.72
  5. Step 5: Solve for x
    x = 280,199,508,064,214.72/18,700,486.40
  6. Step 6: Final answer
    x = 14,983,541.18

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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.