Home / 28,182,503.80-38,891,196.66-16,580,814.40

Finding the Fourth Proportional to 28,182,503.80, 38,891,196.66 and 16,580,814.40

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Solution

The fourth proportional to 28,182,503.80, 38,891,196.66 and 16,580,814.40 is: 22,881,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182,503.80 : 38,891,196.66 = 16,580,814.40 : x
  2. Step 2: Convert to fraction form
    28,182,503.80/38,891,196.66 = 16,580,814.40/x
  3. Step 3: Cross multiply
    28,182,503.80x = 38,891,196.66 × 16,580,814.40
  4. Step 4: Simplify right side
    28,182,503.80x = 644,847,713,613,359.88
  5. Step 5: Solve for x
    x = 644,847,713,613,359.88/28,182,503.80
  6. Step 6: Final answer
    x = 22,881,136.40

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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.