Home / 10,455,683.40-15,683,525.10-2,779,313.40

Finding the Fourth Proportional to 10,455,683.40, 15,683,525.10 and 2,779,313.40

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Solution

The fourth proportional to 10,455,683.40, 15,683,525.10 and 2,779,313.40 is: 4,168,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,683.40 : 15,683,525.10 = 2,779,313.40 : x
  2. Step 2: Convert to fraction form
    10,455,683.40/15,683,525.10 = 2,779,313.40/x
  3. Step 3: Cross multiply
    10,455,683.40x = 15,683,525.10 × 2,779,313.40
  4. Step 4: Simplify right side
    10,455,683.40x = 43,589,431,469,666.34
  5. Step 5: Solve for x
    x = 43,589,431,469,666.34/10,455,683.40
  6. Step 6: Final answer
    x = 4,168,970.10

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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.