Home / 16,804,986.20-25,186,484.10-12,312,013.40

Finding the Fourth Proportional to 16,804,986.20, 25,186,484.10 and 12,312,013.40

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Solution

The fourth proportional to 16,804,986.20, 25,186,484.10 and 12,312,013.40 is: 18,452,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804,986.20 : 25,186,484.10 = 12,312,013.40 : x
  2. Step 2: Convert to fraction form
    16,804,986.20/25,186,484.10 = 12,312,013.40/x
  3. Step 3: Cross multiply
    16,804,986.20x = 25,186,484.10 × 12,312,013.40
  4. Step 4: Simplify right side
    16,804,986.20x = 310,096,329,738,086.94
  5. Step 5: Solve for x
    x = 310,096,329,738,086.94/16,804,986.20
  6. Step 6: Final answer
    x = 18,452,638.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.