Home / 10,098,129.60-15,142,528.80-4,415,428.80

Finding the Fourth Proportional to 10,098,129.60, 15,142,528.80 and 4,415,428.80

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Solution

The fourth proportional to 10,098,129.60, 15,142,528.80 and 4,415,428.80 is: 6,621,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098,129.60 : 15,142,528.80 = 4,415,428.80 : x
  2. Step 2: Convert to fraction form
    10,098,129.60/15,142,528.80 = 4,415,428.80/x
  3. Step 3: Cross multiply
    10,098,129.60x = 15,142,528.80 × 4,415,428.80
  4. Step 4: Simplify right side
    10,098,129.60x = 66,860,757,768,349.44
  5. Step 5: Solve for x
    x = 66,860,757,768,349.44/10,098,129.60
  6. Step 6: Final answer
    x = 6,621,103.16

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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.