Home / 28,447,002.15-42,653,223.69-11,154,486.30

Finding the Fourth Proportional to 28,447,002.15, 42,653,223.69 and 11,154,486.30

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Solution

The fourth proportional to 28,447,002.15, 42,653,223.69 and 11,154,486.30 is: 16,724,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,002.15 : 42,653,223.69 = 11,154,486.30 : x
  2. Step 2: Convert to fraction form
    28,447,002.15/42,653,223.69 = 11,154,486.30/x
  3. Step 3: Cross multiply
    28,447,002.15x = 42,653,223.69 × 11,154,486.30
  4. Step 4: Simplify right side
    28,447,002.15x = 475,774,799,300,940.44
  5. Step 5: Solve for x
    x = 475,774,799,300,940.44/28,447,002.15
  6. Step 6: Final answer
    x = 16,724,953.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.