Home / 13,501,762-18,632,606.52-7,390,059.28

Finding the Fourth Proportional to 13,501,762, 18,632,606.52 and 7,390,059.28

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Solution

The fourth proportional to 13,501,762, 18,632,606.52 and 7,390,059.28 is: 10,198,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,762 : 18,632,606.52 = 7,390,059.28 : x
  2. Step 2: Convert to fraction form
    13,501,762/18,632,606.52 = 7,390,059.28/x
  3. Step 3: Cross multiply
    13,501,762x = 18,632,606.52 × 7,390,059.28
  4. Step 4: Simplify right side
    13,501,762x = 137,696,066,723,714.50
  5. Step 5: Solve for x
    x = 137,696,066,723,714.50/13,501,762
  6. Step 6: Final answer
    x = 10,198,377.57

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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.