Home / 10,411,036.90-15,595,819.35-9,164,112.10

Finding the Fourth Proportional to 10,411,036.90, 15,595,819.35 and 9,164,112.10

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Solution

The fourth proportional to 10,411,036.90, 15,595,819.35 and 9,164,112.10 is: 13,727,915.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411,036.90 : 15,595,819.35 = 9,164,112.10 : x
  2. Step 2: Convert to fraction form
    10,411,036.90/15,595,819.35 = 9,164,112.10/x
  3. Step 3: Cross multiply
    10,411,036.90x = 15,595,819.35 × 9,164,112.10
  4. Step 4: Simplify right side
    10,411,036.90x = 142,921,836,814,749.12
  5. Step 5: Solve for x
    x = 142,921,836,814,749.12/10,411,036.90
  6. Step 6: Final answer
    x = 13,727,915.69

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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.