Home / 13,513,774.93-18,649,350.36-8,289,663.77

Finding the Fourth Proportional to 13,513,774.93, 18,649,350.36 and 8,289,663.77

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Solution

The fourth proportional to 13,513,774.93, 18,649,350.36 and 8,289,663.77 is: 11,439,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,774.93 : 18,649,350.36 = 8,289,663.77 : x
  2. Step 2: Convert to fraction form
    13,513,774.93/18,649,350.36 = 8,289,663.77/x
  3. Step 3: Cross multiply
    13,513,774.93x = 18,649,350.36 × 8,289,663.77
  4. Step 4: Simplify right side
    13,513,774.93x = 154,596,844,059,951.81
  5. Step 5: Solve for x
    x = 154,596,844,059,951.81/13,513,774.93
  6. Step 6: Final answer
    x = 11,439,945.16

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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.