Home / 9,889,207.20-14,833,810.80-7,646,954.40

Finding the Fourth Proportional to 9,889,207.20, 14,833,810.80 and 7,646,954.40

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Solution

The fourth proportional to 9,889,207.20, 14,833,810.80 and 7,646,954.40 is: 11,470,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,207.20 : 14,833,810.80 = 7,646,954.40 : x
  2. Step 2: Convert to fraction form
    9,889,207.20/14,833,810.80 = 7,646,954.40/x
  3. Step 3: Cross multiply
    9,889,207.20x = 14,833,810.80 × 7,646,954.40
  4. Step 4: Simplify right side
    9,889,207.20x = 113,433,474,765,827.53
  5. Step 5: Solve for x
    x = 113,433,474,765,827.53/9,889,207.20
  6. Step 6: Final answer
    x = 11,470,431.60

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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.