Home / 10,531,835.60-15,771,181.35-8,406,071.60

Finding the Fourth Proportional to 10,531,835.60, 15,771,181.35 and 8,406,071.60

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Solution

The fourth proportional to 10,531,835.60, 15,771,181.35 and 8,406,071.60 is: 12,587,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,835.60 : 15,771,181.35 = 8,406,071.60 : x
  2. Step 2: Convert to fraction form
    10,531,835.60/15,771,181.35 = 8,406,071.60/x
  3. Step 3: Cross multiply
    10,531,835.60x = 15,771,181.35 × 8,406,071.60
  4. Step 4: Simplify right side
    10,531,835.60x = 132,573,679,644,684.66
  5. Step 5: Solve for x
    x = 132,573,679,644,684.66/10,531,835.60
  6. Step 6: Final answer
    x = 12,587,898.70

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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.