Home / 12,935,105.60-19,402,658.40-11,890,011.20

Finding the Fourth Proportional to 12,935,105.60, 19,402,658.40 and 11,890,011.20

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Solution

The fourth proportional to 12,935,105.60, 19,402,658.40 and 11,890,011.20 is: 17,835,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,105.60 : 19,402,658.40 = 11,890,011.20 : x
  2. Step 2: Convert to fraction form
    12,935,105.60/19,402,658.40 = 11,890,011.20/x
  3. Step 3: Cross multiply
    12,935,105.60x = 19,402,658.40 × 11,890,011.20
  4. Step 4: Simplify right side
    12,935,105.60x = 230,697,825,685,774.06
  5. Step 5: Solve for x
    x = 230,697,825,685,774.06/12,935,105.60
  6. Step 6: Final answer
    x = 17,835,016.80

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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.