Home / 9,712,645.76-13,403,099.86-5,361,638.68

Finding the Fourth Proportional to 9,712,645.76, 13,403,099.86 and 5,361,638.68

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Solution

The fourth proportional to 9,712,645.76, 13,403,099.86 and 5,361,638.68 is: 7,398,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,645.76 : 13,403,099.86 = 5,361,638.68 : x
  2. Step 2: Convert to fraction form
    9,712,645.76/13,403,099.86 = 5,361,638.68/x
  3. Step 3: Cross multiply
    9,712,645.76x = 13,403,099.86 × 5,361,638.68
  4. Step 4: Simplify right side
    9,712,645.76x = 71,862,578,641,278.58
  5. Step 5: Solve for x
    x = 71,862,578,641,278.58/9,712,645.76
  6. Step 6: Final answer
    x = 7,398,867.46

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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.