Home / 17,619,215.60-26,428,823.40-13,140,239.60

Finding the Fourth Proportional to 17,619,215.60, 26,428,823.40 and 13,140,239.60

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Solution

The fourth proportional to 17,619,215.60, 26,428,823.40 and 13,140,239.60 is: 19,710,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619,215.60 : 26,428,823.40 = 13,140,239.60 : x
  2. Step 2: Convert to fraction form
    17,619,215.60/26,428,823.40 = 13,140,239.60/x
  3. Step 3: Cross multiply
    17,619,215.60x = 26,428,823.40 × 13,140,239.60
  4. Step 4: Simplify right side
    17,619,215.60x = 347,281,071,822,086.62
  5. Step 5: Solve for x
    x = 347,281,071,822,086.62/17,619,215.60
  6. Step 6: Final answer
    x = 19,710,359.40

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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.