Home / 21,453,518.40-32,181,269.04-7,077,842.52

Finding the Fourth Proportional to 21,453,518.40, 32,181,269.04 and 7,077,842.52

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Solution

The fourth proportional to 21,453,518.40, 32,181,269.04 and 7,077,842.52 is: 10,617,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453,518.40 : 32,181,269.04 = 7,077,842.52 : x
  2. Step 2: Convert to fraction form
    21,453,518.40/32,181,269.04 = 7,077,842.52/x
  3. Step 3: Cross multiply
    21,453,518.40x = 32,181,269.04 × 7,077,842.52
  4. Step 4: Simplify right side
    21,453,518.40x = 227,773,954,358,871.56
  5. Step 5: Solve for x
    x = 227,773,954,358,871.56/21,453,518.40
  6. Step 6: Final answer
    x = 10,617,090.87

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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.