Home / 13,691,451.24-18,893,483.70-7,495,309.80

Finding the Fourth Proportional to 13,691,451.24, 18,893,483.70 and 7,495,309.80

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Solution

The fourth proportional to 13,691,451.24, 18,893,483.70 and 7,495,309.80 is: 10,343,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,451.24 : 18,893,483.70 = 7,495,309.80 : x
  2. Step 2: Convert to fraction form
    13,691,451.24/18,893,483.70 = 7,495,309.80/x
  3. Step 3: Cross multiply
    13,691,451.24x = 18,893,483.70 × 7,495,309.80
  4. Step 4: Simplify right side
    13,691,451.24x = 141,612,513,532,750.25
  5. Step 5: Solve for x
    x = 141,612,513,532,750.25/13,691,451.24
  6. Step 6: Final answer
    x = 10,343,133.91

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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.