Home / 19,865,805.60-29,798,708.40-7,086,727.20

Finding the Fourth Proportional to 19,865,805.60, 29,798,708.40 and 7,086,727.20

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Solution

The fourth proportional to 19,865,805.60, 29,798,708.40 and 7,086,727.20 is: 10,630,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865,805.60 : 29,798,708.40 = 7,086,727.20 : x
  2. Step 2: Convert to fraction form
    19,865,805.60/29,798,708.40 = 7,086,727.20/x
  3. Step 3: Cross multiply
    19,865,805.60x = 29,798,708.40 × 7,086,727.20
  4. Step 4: Simplify right side
    19,865,805.60x = 211,175,317,343,148.47
  5. Step 5: Solve for x
    x = 211,175,317,343,148.47/19,865,805.60
  6. Step 6: Final answer
    x = 10,630,090.80

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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.