Home / 20,475,599.98-28,256,154.72-11,308,045.90

Finding the Fourth Proportional to 20,475,599.98, 28,256,154.72 and 11,308,045.90

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Solution

The fourth proportional to 20,475,599.98, 28,256,154.72 and 11,308,045.90 is: 15,605,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,475,599.98 : 28,256,154.72 = 11,308,045.90 : x
  2. Step 2: Convert to fraction form
    20,475,599.98/28,256,154.72 = 11,308,045.90/x
  3. Step 3: Cross multiply
    20,475,599.98x = 28,256,154.72 × 11,308,045.90
  4. Step 4: Simplify right side
    20,475,599.98x = 319,521,894,531,261.62
  5. Step 5: Solve for x
    x = 319,521,894,531,261.62/20,475,599.98
  6. Step 6: Final answer
    x = 15,605,007.66

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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.