Home / 12,599,572.06-18,906,693.18-5,312,574.73

Finding the Fourth Proportional to 12,599,572.06, 18,906,693.18 and 5,312,574.73

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Solution

The fourth proportional to 12,599,572.06, 18,906,693.18 and 5,312,574.73 is: 7,971,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599,572.06 : 18,906,693.18 = 5,312,574.73 : x
  2. Step 2: Convert to fraction form
    12,599,572.06/18,906,693.18 = 5,312,574.73/x
  3. Step 3: Cross multiply
    12,599,572.06x = 18,906,693.18 × 5,312,574.73
  4. Step 4: Simplify right side
    12,599,572.06x = 100,443,220,415,931.34
  5. Step 5: Solve for x
    x = 100,443,220,415,931.34/12,599,572.06
  6. Step 6: Final answer
    x = 7,971,954.92

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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.