Home / 12,923,746.93-17,837,417.28-7,699,815.32

Finding the Fourth Proportional to 12,923,746.93, 17,837,417.28 and 7,699,815.32

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Solution

The fourth proportional to 12,923,746.93, 17,837,417.28 and 7,699,815.32 is: 10,627,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,746.93 : 17,837,417.28 = 7,699,815.32 : x
  2. Step 2: Convert to fraction form
    12,923,746.93/17,837,417.28 = 7,699,815.32/x
  3. Step 3: Cross multiply
    12,923,746.93x = 17,837,417.28 × 7,699,815.32
  4. Step 4: Simplify right side
    12,923,746.93x = 137,344,818,888,655.69
  5. Step 5: Solve for x
    x = 137,344,818,888,655.69/12,923,746.93
  6. Step 6: Final answer
    x = 10,627,321.91

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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.