Home / 18,789,925.75-28,184,888.64-4,606,501.75

Finding the Fourth Proportional to 18,789,925.75, 28,184,888.64 and 4,606,501.75

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Solution

The fourth proportional to 18,789,925.75, 28,184,888.64 and 4,606,501.75 is: 6,909,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789,925.75 : 28,184,888.64 = 4,606,501.75 : x
  2. Step 2: Convert to fraction form
    18,789,925.75/28,184,888.64 = 4,606,501.75/x
  3. Step 3: Cross multiply
    18,789,925.75x = 28,184,888.64 × 4,606,501.75
  4. Step 4: Simplify right side
    18,789,925.75x = 129,833,738,843,715.12
  5. Step 5: Solve for x
    x = 129,833,738,843,715.12/18,789,925.75
  6. Step 6: Final answer
    x = 6,909,752.63

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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.