Home / 20,657,440.34-28,514,941.44-17,745,143.66

Finding the Fourth Proportional to 20,657,440.34, 28,514,941.44 and 17,745,143.66

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Solution

The fourth proportional to 20,657,440.34, 28,514,941.44 and 17,745,143.66 is: 24,494,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,440.34 : 28,514,941.44 = 17,745,143.66 : x
  2. Step 2: Convert to fraction form
    20,657,440.34/28,514,941.44 = 17,745,143.66/x
  3. Step 3: Cross multiply
    20,657,440.34x = 28,514,941.44 × 17,745,143.66
  4. Step 4: Simplify right side
    20,657,440.34x = 506,001,732,309,287.31
  5. Step 5: Solve for x
    x = 506,001,732,309,287.31/20,657,440.34
  6. Step 6: Final answer
    x = 24,494,890.17

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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.