Home / 28,558,473.64-39,443,142.26-19,249,989.28

Finding the Fourth Proportional to 28,558,473.64, 39,443,142.26 and 19,249,989.28

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Solution

The fourth proportional to 28,558,473.64, 39,443,142.26 and 19,249,989.28 is: 26,586,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,473.64 : 39,443,142.26 = 19,249,989.28 : x
  2. Step 2: Convert to fraction form
    28,558,473.64/39,443,142.26 = 19,249,989.28/x
  3. Step 3: Cross multiply
    28,558,473.64x = 39,443,142.26 × 19,249,989.28
  4. Step 4: Simplify right side
    28,558,473.64x = 759,280,065,674,515
  5. Step 5: Solve for x
    x = 759,280,065,674,515/28,558,473.64
  6. Step 6: Final answer
    x = 26,586,857.38

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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.