Home / 14,443,436.34-19,920,320.11-12,697,372.40

Finding the Fourth Proportional to 14,443,436.34, 19,920,320.11 and 12,697,372.40

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Solution

The fourth proportional to 14,443,436.34, 19,920,320.11 and 12,697,372.40 is: 17,512,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,436.34 : 19,920,320.11 = 12,697,372.40 : x
  2. Step 2: Convert to fraction form
    14,443,436.34/19,920,320.11 = 12,697,372.40/x
  3. Step 3: Cross multiply
    14,443,436.34x = 19,920,320.11 × 12,697,372.40
  4. Step 4: Simplify right side
    14,443,436.34x = 252,935,722,680,149.06
  5. Step 5: Solve for x
    x = 252,935,722,680,149.06/14,443,436.34
  6. Step 6: Final answer
    x = 17,512,156.85

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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.