Home / 7,128,951.40-10,693,427.10-4,105,642.60

Finding the Fourth Proportional to 7,128,951.40, 10,693,427.10 and 4,105,642.60

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Solution

The fourth proportional to 7,128,951.40, 10,693,427.10 and 4,105,642.60 is: 6,158,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,951.40 : 10,693,427.10 = 4,105,642.60 : x
  2. Step 2: Convert to fraction form
    7,128,951.40/10,693,427.10 = 4,105,642.60/x
  3. Step 3: Cross multiply
    7,128,951.40x = 10,693,427.10 × 4,105,642.60
  4. Step 4: Simplify right side
    7,128,951.40x = 43,903,389,841,754.46
  5. Step 5: Solve for x
    x = 43,903,389,841,754.46/7,128,951.40
  6. Step 6: Final answer
    x = 6,158,463.90

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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.