Home / 28,998,802.77-40,019,375.06-15,947,054.65

Finding the Fourth Proportional to 28,998,802.77, 40,019,375.06 and 15,947,054.65

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Solution

The fourth proportional to 28,998,802.77, 40,019,375.06 and 15,947,054.65 is: 22,007,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,802.77 : 40,019,375.06 = 15,947,054.65 : x
  2. Step 2: Convert to fraction form
    28,998,802.77/40,019,375.06 = 15,947,054.65/x
  3. Step 3: Cross multiply
    28,998,802.77x = 40,019,375.06 × 15,947,054.65
  4. Step 4: Simplify right side
    28,998,802.77x = 638,191,161,140,667.12
  5. Step 5: Solve for x
    x = 638,191,161,140,667.12/28,998,802.77
  6. Step 6: Final answer
    x = 22,007,500.32

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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.