Home / 27,009,337.79-40,513,946.04-20,870,246.95

Finding the Fourth Proportional to 27,009,337.79, 40,513,946.04 and 20,870,246.95

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Solution

The fourth proportional to 27,009,337.79, 40,513,946.04 and 20,870,246.95 is: 31,305,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009,337.79 : 40,513,946.04 = 20,870,246.95 : x
  2. Step 2: Convert to fraction form
    27,009,337.79/40,513,946.04 = 20,870,246.95/x
  3. Step 3: Cross multiply
    27,009,337.79x = 40,513,946.04 × 20,870,246.95
  4. Step 4: Simplify right side
    27,009,337.79x = 845,536,058,672,489.75
  5. Step 5: Solve for x
    x = 845,536,058,672,489.75/27,009,337.79
  6. Step 6: Final answer
    x = 31,305,323.56

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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.