Home / 11,559,628.20-15,952,812.10-6,402,989.18

Finding the Fourth Proportional to 11,559,628.20, 15,952,812.10 and 6,402,989.18

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Solution

The fourth proportional to 11,559,628.20, 15,952,812.10 and 6,402,989.18 is: 8,836,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559,628.20 : 15,952,812.10 = 6,402,989.18 : x
  2. Step 2: Convert to fraction form
    11,559,628.20/15,952,812.10 = 6,402,989.18/x
  3. Step 3: Cross multiply
    11,559,628.20x = 15,952,812.10 × 6,402,989.18
  4. Step 4: Simplify right side
    11,559,628.20x = 102,145,683,266,873.08
  5. Step 5: Solve for x
    x = 102,145,683,266,873.08/11,559,628.20
  6. Step 6: Final answer
    x = 8,836,415.97

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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.