Home / 11,583,068.40-15,986,553.12-6,428,085.84

Finding the Fourth Proportional to 11,583,068.40, 15,986,553.12 and 6,428,085.84

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Solution

The fourth proportional to 11,583,068.40, 15,986,553.12 and 6,428,085.84 is: 8,871,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583,068.40 : 15,986,553.12 = 6,428,085.84 : x
  2. Step 2: Convert to fraction form
    11,583,068.40/15,986,553.12 = 6,428,085.84/x
  3. Step 3: Cross multiply
    11,583,068.40x = 15,986,553.12 × 6,428,085.84
  4. Step 4: Simplify right side
    11,583,068.40x = 102,762,935,741,079.81
  5. Step 5: Solve for x
    x = 102,762,935,741,079.81/11,583,068.40
  6. Step 6: Final answer
    x = 8,871,823.27

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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.