Home / 20,516,362.30-28,310,113.34-11,817,364.06

Finding the Fourth Proportional to 20,516,362.30, 28,310,113.34 and 11,817,364.06

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Solution

The fourth proportional to 20,516,362.30, 28,310,113.34 and 11,817,364.06 is: 16,306,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516,362.30 : 28,310,113.34 = 11,817,364.06 : x
  2. Step 2: Convert to fraction form
    20,516,362.30/28,310,113.34 = 11,817,364.06/x
  3. Step 3: Cross multiply
    20,516,362.30x = 28,310,113.34 × 11,817,364.06
  4. Step 4: Simplify right side
    20,516,362.30x = 334,550,915,918,642.56
  5. Step 5: Solve for x
    x = 334,550,915,918,642.56/20,516,362.30
  6. Step 6: Final answer
    x = 16,306,541.63

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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.