Home / 12,781,898.71-17,639,455.52-7,559,383.71

Finding the Fourth Proportional to 12,781,898.71, 17,639,455.52 and 7,559,383.71

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Solution

The fourth proportional to 12,781,898.71, 17,639,455.52 and 7,559,383.71 is: 10,432,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,898.71 : 17,639,455.52 = 7,559,383.71 : x
  2. Step 2: Convert to fraction form
    12,781,898.71/17,639,455.52 = 7,559,383.71/x
  3. Step 3: Cross multiply
    12,781,898.71x = 17,639,455.52 × 7,559,383.71
  4. Step 4: Simplify right side
    12,781,898.71x = 133,343,412,711,157.58
  5. Step 5: Solve for x
    x = 133,343,412,711,157.58/12,781,898.71
  6. Step 6: Final answer
    x = 10,432,206.96

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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.