Home / 19,077,126.20-28,615,862.29-5,430,267.22

Finding the Fourth Proportional to 19,077,126.20, 28,615,862.29 and 5,430,267.22

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Solution

The fourth proportional to 19,077,126.20, 28,615,862.29 and 5,430,267.22 is: 8,145,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,126.20 : 28,615,862.29 = 5,430,267.22 : x
  2. Step 2: Convert to fraction form
    19,077,126.20/28,615,862.29 = 5,430,267.22/x
  3. Step 3: Cross multiply
    19,077,126.20x = 28,615,862.29 × 5,430,267.22
  4. Step 4: Simplify right side
    19,077,126.20x = 155,391,778,965,421.12
  5. Step 5: Solve for x
    x = 155,391,778,965,421.12/19,077,126.20
  6. Step 6: Final answer
    x = 8,145,450.07

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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.