Home / 14,528,472.35-21,789,734.18-5,428,890.23

Finding the Fourth Proportional to 14,528,472.35, 21,789,734.18 and 5,428,890.23

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Solution

The fourth proportional to 14,528,472.35, 21,789,734.18 and 5,428,890.23 is: 8,142,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528,472.35 : 21,789,734.18 = 5,428,890.23 : x
  2. Step 2: Convert to fraction form
    14,528,472.35/21,789,734.18 = 5,428,890.23/x
  3. Step 3: Cross multiply
    14,528,472.35x = 21,789,734.18 × 5,428,890.23
  4. Step 4: Simplify right side
    14,528,472.35x = 118,294,074,868,005.94
  5. Step 5: Solve for x
    x = 118,294,074,868,005.94/14,528,472.35
  6. Step 6: Final answer
    x = 8,142,223.91

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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.