Home / 12,709,359.60-17,539,033.68-6,908,155

Finding the Fourth Proportional to 12,709,359.60, 17,539,033.68 and 6,908,155

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Solution

The fourth proportional to 12,709,359.60, 17,539,033.68 and 6,908,155 is: 9,533,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,359.60 : 17,539,033.68 = 6,908,155 : x
  2. Step 2: Convert to fraction form
    12,709,359.60/17,539,033.68 = 6,908,155/x
  3. Step 3: Cross multiply
    12,709,359.60x = 17,539,033.68 × 6,908,155
  4. Step 4: Simplify right side
    12,709,359.60x = 121,162,363,211,660.39
  5. Step 5: Solve for x
    x = 121,162,363,211,660.39/12,709,359.60
  6. Step 6: Final answer
    x = 9,533,317.73

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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.