Home / 16,421,402.56-22,661,144-9,178,732.48

Finding the Fourth Proportional to 16,421,402.56, 22,661,144 and 9,178,732.48

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Solution

The fourth proportional to 16,421,402.56, 22,661,144 and 9,178,732.48 is: 12,666,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421,402.56 : 22,661,144 = 9,178,732.48 : x
  2. Step 2: Convert to fraction form
    16,421,402.56/22,661,144 = 9,178,732.48/x
  3. Step 3: Cross multiply
    16,421,402.56x = 22,661,144 × 9,178,732.48
  4. Step 4: Simplify right side
    16,421,402.56x = 208,000,578,466,757.12
  5. Step 5: Solve for x
    x = 208,000,578,466,757.12/16,421,402.56
  6. Step 6: Final answer
    x = 12,666,431.98

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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.