Home / 12,147,389.79-16,763,597.15-7,253,039.58

Finding the Fourth Proportional to 12,147,389.79, 16,763,597.15 and 7,253,039.58

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Solution

The fourth proportional to 12,147,389.79, 16,763,597.15 and 7,253,039.58 is: 10,009,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,389.79 : 16,763,597.15 = 7,253,039.58 : x
  2. Step 2: Convert to fraction form
    12,147,389.79/16,763,597.15 = 7,253,039.58/x
  3. Step 3: Cross multiply
    12,147,389.79x = 16,763,597.15 × 7,253,039.58
  4. Step 4: Simplify right side
    12,147,389.79x = 121,587,033,632,125.20
  5. Step 5: Solve for x
    x = 121,587,033,632,125.20/12,147,389.79
  6. Step 6: Final answer
    x = 10,009,313.58

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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.