Home / 9,712,580.82-13,402,406.16-5,361,386.34

Finding the Fourth Proportional to 9,712,580.82, 13,402,406.16 and 5,361,386.34

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Solution

The fourth proportional to 9,712,580.82, 13,402,406.16 and 5,361,386.34 is: 7,398,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,580.82 : 13,402,406.16 = 5,361,386.34 : x
  2. Step 2: Convert to fraction form
    9,712,580.82/13,402,406.16 = 5,361,386.34/x
  3. Step 3: Cross multiply
    9,712,580.82x = 13,402,406.16 × 5,361,386.34
  4. Step 4: Simplify right side
    9,712,580.82x = 71,855,477,309,355.86
  5. Step 5: Solve for x
    x = 71,855,477,309,355.86/9,712,580.82
  6. Step 6: Final answer
    x = 7,398,185.78

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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.