Home / 9,660,000.10-14,490,000.15-8,697,849.70

Finding the Fourth Proportional to 9,660,000.10, 14,490,000.15 and 8,697,849.70

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Solution

The fourth proportional to 9,660,000.10, 14,490,000.15 and 8,697,849.70 is: 13,046,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660,000.10 : 14,490,000.15 = 8,697,849.70 : x
  2. Step 2: Convert to fraction form
    9,660,000.10/14,490,000.15 = 8,697,849.70/x
  3. Step 3: Cross multiply
    9,660,000.10x = 14,490,000.15 × 8,697,849.70
  4. Step 4: Simplify right side
    9,660,000.10x = 126,031,843,457,677.45
  5. Step 5: Solve for x
    x = 126,031,843,457,677.45/9,660,000.10
  6. Step 6: Final answer
    x = 13,046,774.55

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Similar ratio
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1.5x scale

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.