Home / 10,728,045.60-16,092,068.40-8,602,281.60

Finding the Fourth Proportional to 10,728,045.60, 16,092,068.40 and 8,602,281.60

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Solution

The fourth proportional to 10,728,045.60, 16,092,068.40 and 8,602,281.60 is: 12,903,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,045.60 : 16,092,068.40 = 8,602,281.60 : x
  2. Step 2: Convert to fraction form
    10,728,045.60/16,092,068.40 = 8,602,281.60/x
  3. Step 3: Cross multiply
    10,728,045.60x = 16,092,068.40 × 8,602,281.60
  4. Step 4: Simplify right side
    10,728,045.60x = 138,428,503,903,261.44
  5. Step 5: Solve for x
    x = 138,428,503,903,261.44/10,728,045.60
  6. Step 6: Final answer
    x = 12,903,422.40

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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.