Home / 12,356,848.60-18,535,272.90-10,215,338.20

Finding the Fourth Proportional to 12,356,848.60, 18,535,272.90 and 10,215,338.20

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Solution

The fourth proportional to 12,356,848.60, 18,535,272.90 and 10,215,338.20 is: 15,323,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,848.60 : 18,535,272.90 = 10,215,338.20 : x
  2. Step 2: Convert to fraction form
    12,356,848.60/18,535,272.90 = 10,215,338.20/x
  3. Step 3: Cross multiply
    12,356,848.60x = 18,535,272.90 × 10,215,338.20
  4. Step 4: Simplify right side
    12,356,848.60x = 189,344,081,302,794.75
  5. Step 5: Solve for x
    x = 189,344,081,302,794.75/12,356,848.60
  6. Step 6: Final answer
    x = 15,323,007.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.