Home / 18,127,457.64-25,016,454.90-9,868,069.80

Finding the Fourth Proportional to 18,127,457.64, 25,016,454.90 and 9,868,069.80

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Solution

The fourth proportional to 18,127,457.64, 25,016,454.90 and 9,868,069.80 is: 13,618,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,457.64 : 25,016,454.90 = 9,868,069.80 : x
  2. Step 2: Convert to fraction form
    18,127,457.64/25,016,454.90 = 9,868,069.80/x
  3. Step 3: Cross multiply
    18,127,457.64x = 25,016,454.90 × 9,868,069.80
  4. Step 4: Simplify right side
    18,127,457.64x = 246,864,123,101,752.03
  5. Step 5: Solve for x
    x = 246,864,123,101,752.03/18,127,457.64
  6. Step 6: Final answer
    x = 13,618,243.00

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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.