Home / 18,979,509.16-26,193,596.10-10,831,966.12

Finding the Fourth Proportional to 18,979,509.16, 26,193,596.10 and 10,831,966.12

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Solution

The fourth proportional to 18,979,509.16, 26,193,596.10 and 10,831,966.12 is: 14,949,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,509.16 : 26,193,596.10 = 10,831,966.12 : x
  2. Step 2: Convert to fraction form
    18,979,509.16/26,193,596.10 = 10,831,966.12/x
  3. Step 3: Cross multiply
    18,979,509.16x = 26,193,596.10 × 10,831,966.12
  4. Step 4: Simplify right side
    18,979,509.16x = 283,728,145,516,164.12
  5. Step 5: Solve for x
    x = 283,728,145,516,164.12/18,979,509.16
  6. Step 6: Final answer
    x = 14,949,182.46

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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.