Home / 13,390,600.82-20,047,288.60-12,006,030.97

Finding the Fourth Proportional to 13,390,600.82, 20,047,288.60 and 12,006,030.97

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Solution

The fourth proportional to 13,390,600.82, 20,047,288.60 and 12,006,030.97 is: 17,974,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,600.82 : 20,047,288.60 = 12,006,030.97 : x
  2. Step 2: Convert to fraction form
    13,390,600.82/20,047,288.60 = 12,006,030.97/x
  3. Step 3: Cross multiply
    13,390,600.82x = 20,047,288.60 × 12,006,030.97
  4. Step 4: Simplify right side
    13,390,600.82x = 240,688,367,796,127.97
  5. Step 5: Solve for x
    x = 240,688,367,796,127.97/13,390,600.82
  6. Step 6: Final answer
    x = 17,974,426.32

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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.