Home / 19,223,838.72-28,847,101.32-7,101,880.92

Finding the Fourth Proportional to 19,223,838.72, 28,847,101.32 and 7,101,880.92

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Solution

The fourth proportional to 19,223,838.72, 28,847,101.32 and 7,101,880.92 is: 10,657,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223,838.72 : 28,847,101.32 = 7,101,880.92 : x
  2. Step 2: Convert to fraction form
    19,223,838.72/28,847,101.32 = 7,101,880.92/x
  3. Step 3: Cross multiply
    19,223,838.72x = 28,847,101.32 × 7,101,880.92
  4. Step 4: Simplify right side
    19,223,838.72x = 204,868,678,461,814.81
  5. Step 5: Solve for x
    x = 204,868,678,461,814.81/19,223,838.72
  6. Step 6: Final answer
    x = 10,657,011.92

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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.