Home / 10,984,934.40-16,488,460.80-5,309,721.60

Finding the Fourth Proportional to 10,984,934.40, 16,488,460.80 and 5,309,721.60

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Solution

The fourth proportional to 10,984,934.40, 16,488,460.80 and 5,309,721.60 is: 7,969,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984,934.40 : 16,488,460.80 = 5,309,721.60 : x
  2. Step 2: Convert to fraction form
    10,984,934.40/16,488,460.80 = 5,309,721.60/x
  3. Step 3: Cross multiply
    10,984,934.40x = 16,488,460.80 × 5,309,721.60
  4. Step 4: Simplify right side
    10,984,934.40x = 87,549,136,460,513.28
  5. Step 5: Solve for x
    x = 87,549,136,460,513.28/10,984,934.40
  6. Step 6: Final answer
    x = 7,969,928.02

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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.