Home / 12,831,412.50-19,246,952.70-3,116,105.10

Finding the Fourth Proportional to 12,831,412.50, 19,246,952.70 and 3,116,105.10

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Solution

The fourth proportional to 12,831,412.50, 19,246,952.70 and 3,116,105.10 is: 4,674,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,412.50 : 19,246,952.70 = 3,116,105.10 : x
  2. Step 2: Convert to fraction form
    12,831,412.50/19,246,952.70 = 3,116,105.10/x
  3. Step 3: Cross multiply
    12,831,412.50x = 19,246,952.70 × 3,116,105.10
  4. Step 4: Simplify right side
    12,831,412.50x = 59,975,527,467,928.77
  5. Step 5: Solve for x
    x = 59,975,527,467,928.77/12,831,412.50
  6. Step 6: Final answer
    x = 4,674,117.32

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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.