Home / 10,515,814.40-15,773,721.60-5,980,851.20

Finding the Fourth Proportional to 10,515,814.40, 15,773,721.60 and 5,980,851.20

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Solution

The fourth proportional to 10,515,814.40, 15,773,721.60 and 5,980,851.20 is: 8,971,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,814.40 : 15,773,721.60 = 5,980,851.20 : x
  2. Step 2: Convert to fraction form
    10,515,814.40/15,773,721.60 = 5,980,851.20/x
  3. Step 3: Cross multiply
    10,515,814.40x = 15,773,721.60 × 5,980,851.20
  4. Step 4: Simplify right side
    10,515,814.40x = 94,340,281,759,825.92
  5. Step 5: Solve for x
    x = 94,340,281,759,825.92/10,515,814.40
  6. Step 6: Final answer
    x = 8,971,276.80

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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.