Home / 13,173,124.83-18,180,814.73-7,590,302.51

Finding the Fourth Proportional to 13,173,124.83, 18,180,814.73 and 7,590,302.51

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Solution

The fourth proportional to 13,173,124.83, 18,180,814.73 and 7,590,302.51 is: 10,475,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,124.83 : 18,180,814.73 = 7,590,302.51 : x
  2. Step 2: Convert to fraction form
    13,173,124.83/18,180,814.73 = 7,590,302.51/x
  3. Step 3: Cross multiply
    13,173,124.83x = 18,180,814.73 × 7,590,302.51
  4. Step 4: Simplify right side
    13,173,124.83x = 137,997,883,652,375.48
  5. Step 5: Solve for x
    x = 137,997,883,652,375.48/13,173,124.83
  6. Step 6: Final answer
    x = 10,475,713.65

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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.