Home / 10,464,056.70-15,696,085.05-9,045,714.30

Finding the Fourth Proportional to 10,464,056.70, 15,696,085.05 and 9,045,714.30

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Solution

The fourth proportional to 10,464,056.70, 15,696,085.05 and 9,045,714.30 is: 13,568,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464,056.70 : 15,696,085.05 = 9,045,714.30 : x
  2. Step 2: Convert to fraction form
    10,464,056.70/15,696,085.05 = 9,045,714.30/x
  3. Step 3: Cross multiply
    10,464,056.70x = 15,696,085.05 × 9,045,714.30
  4. Step 4: Simplify right side
    10,464,056.70x = 141,982,300,990,801.22
  5. Step 5: Solve for x
    x = 141,982,300,990,801.22/10,464,056.70
  6. Step 6: Final answer
    x = 13,568,571.45

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Double scale
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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.