Home / 7,460,488.40-11,190,732.60-6,872,622.80

Finding the Fourth Proportional to 7,460,488.40, 11,190,732.60 and 6,872,622.80

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Solution

The fourth proportional to 7,460,488.40, 11,190,732.60 and 6,872,622.80 is: 10,308,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460,488.40 : 11,190,732.60 = 6,872,622.80 : x
  2. Step 2: Convert to fraction form
    7,460,488.40/11,190,732.60 = 6,872,622.80/x
  3. Step 3: Cross multiply
    7,460,488.40x = 11,190,732.60 × 6,872,622.80
  4. Step 4: Simplify right side
    7,460,488.40x = 76,909,684,015,463.28
  5. Step 5: Solve for x
    x = 76,909,684,015,463.28/7,460,488.40
  6. Step 6: Final answer
    x = 10,308,934.20

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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.