Home / 12,128,803.47-16,739,216.54-6,903,082.26

Finding the Fourth Proportional to 12,128,803.47, 16,739,216.54 and 6,903,082.26

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Solution

The fourth proportional to 12,128,803.47, 16,739,216.54 and 6,903,082.26 is: 9,527,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,803.47 : 16,739,216.54 = 6,903,082.26 : x
  2. Step 2: Convert to fraction form
    12,128,803.47/16,739,216.54 = 6,903,082.26/x
  3. Step 3: Cross multiply
    12,128,803.47x = 16,739,216.54 × 6,903,082.26
  4. Step 4: Simplify right side
    12,128,803.47x = 115,552,188,743,572.58
  5. Step 5: Solve for x
    x = 115,552,188,743,572.58/12,128,803.47
  6. Step 6: Final answer
    x = 9,527,088.89

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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.