Home / 14,357,919.30-19,813,990.68-7,831,688.82

Finding the Fourth Proportional to 14,357,919.30, 19,813,990.68 and 7,831,688.82

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Solution

The fourth proportional to 14,357,919.30, 19,813,990.68 and 7,831,688.82 is: 10,807,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357,919.30 : 19,813,990.68 = 7,831,688.82 : x
  2. Step 2: Convert to fraction form
    14,357,919.30/19,813,990.68 = 7,831,688.82/x
  3. Step 3: Cross multiply
    14,357,919.30x = 19,813,990.68 × 7,831,688.82
  4. Step 4: Simplify right side
    14,357,919.30x = 155,177,009,288,140.19
  5. Step 5: Solve for x
    x = 155,177,009,288,140.19/14,357,919.30
  6. Step 6: Final answer
    x = 10,807,764.42

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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.