Home / 19,088,991.36-28,627,421.76-6,307,113.60

Finding the Fourth Proportional to 19,088,991.36, 28,627,421.76 and 6,307,113.60

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Solution

The fourth proportional to 19,088,991.36, 28,627,421.76 and 6,307,113.60 is: 9,458,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088,991.36 : 28,627,421.76 = 6,307,113.60 : x
  2. Step 2: Convert to fraction form
    19,088,991.36/28,627,421.76 = 6,307,113.60/x
  3. Step 3: Cross multiply
    19,088,991.36x = 28,627,421.76 × 6,307,113.60
  4. Step 4: Simplify right side
    19,088,991.36x = 180,556,401,115,431.94
  5. Step 5: Solve for x
    x = 180,556,401,115,431.94/19,088,991.36
  6. Step 6: Final answer
    x = 9,458,666.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.