Home / 12,258,747.63-16,917,070.93-7,105,098.53

Finding the Fourth Proportional to 12,258,747.63, 16,917,070.93 and 7,105,098.53

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Solution

The fourth proportional to 12,258,747.63, 16,917,070.93 and 7,105,098.53 is: 9,805,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,747.63 : 16,917,070.93 = 7,105,098.53 : x
  2. Step 2: Convert to fraction form
    12,258,747.63/16,917,070.93 = 7,105,098.53/x
  3. Step 3: Cross multiply
    12,258,747.63x = 16,917,070.93 × 7,105,098.53
  4. Step 4: Simplify right side
    12,258,747.63x = 120,197,455,821,178.64
  5. Step 5: Solve for x
    x = 120,197,455,821,178.64/12,258,747.63
  6. Step 6: Final answer
    x = 9,805,035.51

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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.