Home / 9,187,869.88-12,679,044.78-5,113,401.40

Finding the Fourth Proportional to 9,187,869.88, 12,679,044.78 and 5,113,401.40

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Solution

The fourth proportional to 9,187,869.88, 12,679,044.78 and 5,113,401.40 is: 7,056,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187,869.88 : 12,679,044.78 = 5,113,401.40 : x
  2. Step 2: Convert to fraction form
    9,187,869.88/12,679,044.78 = 5,113,401.40/x
  3. Step 3: Cross multiply
    9,187,869.88x = 12,679,044.78 × 5,113,401.40
  4. Step 4: Simplify right side
    9,187,869.88x = 64,833,045,328,714.70
  5. Step 5: Solve for x
    x = 64,833,045,328,714.70/9,187,869.88
  6. Step 6: Final answer
    x = 7,056,373.91

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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.