Home / 12,370,983.40-18,561,140.70-5,986,887.40

Finding the Fourth Proportional to 12,370,983.40, 18,561,140.70 and 5,986,887.40

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Solution

The fourth proportional to 12,370,983.40, 18,561,140.70 and 5,986,887.40 is: 8,982,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370,983.40 : 18,561,140.70 = 5,986,887.40 : x
  2. Step 2: Convert to fraction form
    12,370,983.40/18,561,140.70 = 5,986,887.40/x
  3. Step 3: Cross multiply
    12,370,983.40x = 18,561,140.70 × 5,986,887.40
  4. Step 4: Simplify right side
    12,370,983.40x = 111,123,459,386,457.19
  5. Step 5: Solve for x
    x = 111,123,459,386,457.19/12,370,983.40
  6. Step 6: Final answer
    x = 8,982,589.00

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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.