Home / 10,602,909.40-15,904,364.10-9,889,072.60

Finding the Fourth Proportional to 10,602,909.40, 15,904,364.10 and 9,889,072.60

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Solution

The fourth proportional to 10,602,909.40, 15,904,364.10 and 9,889,072.60 is: 14,833,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602,909.40 : 15,904,364.10 = 9,889,072.60 : x
  2. Step 2: Convert to fraction form
    10,602,909.40/15,904,364.10 = 9,889,072.60/x
  3. Step 3: Cross multiply
    10,602,909.40x = 15,904,364.10 × 9,889,072.60
  4. Step 4: Simplify right side
    10,602,909.40x = 157,279,411,241,733.66
  5. Step 5: Solve for x
    x = 157,279,411,241,733.66/10,602,909.40
  6. Step 6: Final answer
    x = 14,833,608.90

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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.