Home / 28,447,003.15-42,653,225.19-11,154,487.30

Finding the Fourth Proportional to 28,447,003.15, 42,653,225.19 and 11,154,487.30

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Solution

The fourth proportional to 28,447,003.15, 42,653,225.19 and 11,154,487.30 is: 16,724,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,003.15 : 42,653,225.19 = 11,154,487.30 : x
  2. Step 2: Convert to fraction form
    28,447,003.15/42,653,225.19 = 11,154,487.30/x
  3. Step 3: Cross multiply
    28,447,003.15x = 42,653,225.19 × 11,154,487.30
  4. Step 4: Simplify right side
    28,447,003.15x = 475,774,858,685,895.06
  5. Step 5: Solve for x
    x = 475,774,858,685,895.06/28,447,003.15
  6. Step 6: Final answer
    x = 16,724,955.39

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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.