Home / 45,645,909.40-62,997,814.56-28,247,859.46

Finding the Fourth Proportional to 45,645,909.40, 62,997,814.56 and 28,247,859.46

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Solution

The fourth proportional to 45,645,909.40, 62,997,814.56 and 28,247,859.46 is: 38,986,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645,909.40 : 62,997,814.56 = 28,247,859.46 : x
  2. Step 2: Convert to fraction form
    45,645,909.40/62,997,814.56 = 28,247,859.46/x
  3. Step 3: Cross multiply
    45,645,909.40x = 62,997,814.56 × 28,247,859.46
  4. Step 4: Simplify right side
    45,645,909.40x = 1,779,553,411,978,021.75
  5. Step 5: Solve for x
    x = 1,779,553,411,978,021.75/45,645,909.40
  6. Step 6: Final answer
    x = 38,986,043.56

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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.