Home / 18,353,315.53-25,320,407.38-10,508,635.63

Finding the Fourth Proportional to 18,353,315.53, 25,320,407.38 and 10,508,635.63

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Solution

The fourth proportional to 18,353,315.53, 25,320,407.38 and 10,508,635.63 is: 14,497,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353,315.53 : 25,320,407.38 = 10,508,635.63 : x
  2. Step 2: Convert to fraction form
    18,353,315.53/25,320,407.38 = 10,508,635.63/x
  3. Step 3: Cross multiply
    18,353,315.53x = 25,320,407.38 × 10,508,635.63
  4. Step 4: Simplify right side
    18,353,315.53x = 266,082,935,159,582.97
  5. Step 5: Solve for x
    x = 266,082,935,159,582.97/18,353,315.53
  6. Step 6: Final answer
    x = 14,497,812.93

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1.5x scale

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.