Home / 12,950,633.30-19,416,373.16-7,831,925.21

Finding the Fourth Proportional to 12,950,633.30, 19,416,373.16 and 7,831,925.21

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Solution

The fourth proportional to 12,950,633.30, 19,416,373.16 and 7,831,925.21 is: 11,742,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,633.30 : 19,416,373.16 = 7,831,925.21 : x
  2. Step 2: Convert to fraction form
    12,950,633.30/19,416,373.16 = 7,831,925.21/x
  3. Step 3: Cross multiply
    12,950,633.30x = 19,416,373.16 × 7,831,925.21
  4. Step 4: Simplify right side
    12,950,633.30x = 152,067,582,399,411.75
  5. Step 5: Solve for x
    x = 152,067,582,399,411.75/12,950,633.30
  6. Step 6: Final answer
    x = 11,742,096.23

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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.