Home / 18,831,995.10-28,247,992.65-17,698,254.30

Finding the Fourth Proportional to 18,831,995.10, 28,247,992.65 and 17,698,254.30

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Solution

The fourth proportional to 18,831,995.10, 28,247,992.65 and 17,698,254.30 is: 26,547,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831,995.10 : 28,247,992.65 = 17,698,254.30 : x
  2. Step 2: Convert to fraction form
    18,831,995.10/28,247,992.65 = 17,698,254.30/x
  3. Step 3: Cross multiply
    18,831,995.10x = 28,247,992.65 × 17,698,254.30
  4. Step 4: Simplify right side
    18,831,995.10x = 499,940,157,384,230.88
  5. Step 5: Solve for x
    x = 499,940,157,384,230.88/18,831,995.10
  6. Step 6: Final answer
    x = 26,547,381.45

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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.