Home / 15,453,001.20-23,179,501.80-9,779,631.60

Finding the Fourth Proportional to 15,453,001.20, 23,179,501.80 and 9,779,631.60

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Solution

The fourth proportional to 15,453,001.20, 23,179,501.80 and 9,779,631.60 is: 14,669,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453,001.20 : 23,179,501.80 = 9,779,631.60 : x
  2. Step 2: Convert to fraction form
    15,453,001.20/23,179,501.80 = 9,779,631.60/x
  3. Step 3: Cross multiply
    15,453,001.20x = 23,179,501.80 × 9,779,631.60
  4. Step 4: Simplify right side
    15,453,001.20x = 226,686,988,275,536.88
  5. Step 5: Solve for x
    x = 226,686,988,275,536.88/15,453,001.20
  6. Step 6: Final answer
    x = 14,669,447.40

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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.