Home / 13,477,282.47-18,607,627.33-7,972,425.77

Finding the Fourth Proportional to 13,477,282.47, 18,607,627.33 and 7,972,425.77

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Solution

The fourth proportional to 13,477,282.47, 18,607,627.33 and 7,972,425.77 is: 11,007,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477,282.47 : 18,607,627.33 = 7,972,425.77 : x
  2. Step 2: Convert to fraction form
    13,477,282.47/18,607,627.33 = 7,972,425.77/x
  3. Step 3: Cross multiply
    13,477,282.47x = 18,607,627.33 × 7,972,425.77
  4. Step 4: Simplify right side
    13,477,282.47x = 148,347,927,604,386.16
  5. Step 5: Solve for x
    x = 148,347,927,604,386.16/13,477,282.47
  6. Step 6: Final answer
    x = 11,007,258.18

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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.