Home / 13,331,887.19-18,390,637.91-10,853,773.57

Finding the Fourth Proportional to 13,331,887.19, 18,390,637.91 and 10,853,773.57

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Solution

The fourth proportional to 13,331,887.19, 18,390,637.91 and 10,853,773.57 is: 14,972,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,887.19 : 18,390,637.91 = 10,853,773.57 : x
  2. Step 2: Convert to fraction form
    13,331,887.19/18,390,637.91 = 10,853,773.57/x
  3. Step 3: Cross multiply
    13,331,887.19x = 18,390,637.91 × 10,853,773.57
  4. Step 4: Simplify right side
    13,331,887.19x = 199,607,819,655,530.69
  5. Step 5: Solve for x
    x = 199,607,819,655,530.69/13,331,887.19
  6. Step 6: Final answer
    x = 14,972,210.37

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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.