Home / 13,064,332.96-18,028,849.53-7,184,346.25

Finding the Fourth Proportional to 13,064,332.96, 18,028,849.53 and 7,184,346.25

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Solution

The fourth proportional to 13,064,332.96, 18,028,849.53 and 7,184,346.25 is: 9,914,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,332.96 : 18,028,849.53 = 7,184,346.25 : x
  2. Step 2: Convert to fraction form
    13,064,332.96/18,028,849.53 = 7,184,346.25/x
  3. Step 3: Cross multiply
    13,064,332.96x = 18,028,849.53 × 7,184,346.25
  4. Step 4: Simplify right side
    13,064,332.96x = 129,525,497,512,669.77
  5. Step 5: Solve for x
    x = 129,525,497,512,669.77/13,064,332.96
  6. Step 6: Final answer
    x = 9,914,436.34

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1.5x scale

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.