Home / 15,260,903.28-21,060,041.58-8,385,828.21

Finding the Fourth Proportional to 15,260,903.28, 21,060,041.58 and 8,385,828.21

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Solution

The fourth proportional to 15,260,903.28, 21,060,041.58 and 8,385,828.21 is: 11,572,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260,903.28 : 21,060,041.58 = 8,385,828.21 : x
  2. Step 2: Convert to fraction form
    15,260,903.28/21,060,041.58 = 8,385,828.21/x
  3. Step 3: Cross multiply
    15,260,903.28x = 21,060,041.58 × 8,385,828.21
  4. Step 4: Simplify right side
    15,260,903.28x = 176,605,890,785,336.97
  5. Step 5: Solve for x
    x = 176,605,890,785,336.97/15,260,903.28
  6. Step 6: Final answer
    x = 11,572,440.21

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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.