Home / 20,807,188.47-28,694,953.69-17,866,082.93

Finding the Fourth Proportional to 20,807,188.47, 28,694,953.69 and 17,866,082.93

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Solution

The fourth proportional to 20,807,188.47, 28,694,953.69 and 17,866,082.93 is: 24,638,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,807,188.47 : 28,694,953.69 = 17,866,082.93 : x
  2. Step 2: Convert to fraction form
    20,807,188.47/28,694,953.69 = 17,866,082.93/x
  3. Step 3: Cross multiply
    20,807,188.47x = 28,694,953.69 × 17,866,082.93
  4. Step 4: Simplify right side
    20,807,188.47x = 512,666,422,109,909.56
  5. Step 5: Solve for x
    x = 512,666,422,109,909.56/20,807,188.47
  6. Step 6: Final answer
    x = 24,638,908.94

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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.