Home / 7,770,830.40-11,666,743.20-4,936,478.40

Finding the Fourth Proportional to 7,770,830.40, 11,666,743.20 and 4,936,478.40

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Solution

The fourth proportional to 7,770,830.40, 11,666,743.20 and 4,936,478.40 is: 7,411,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,830.40 : 11,666,743.20 = 4,936,478.40 : x
  2. Step 2: Convert to fraction form
    7,770,830.40/11,666,743.20 = 4,936,478.40/x
  3. Step 3: Cross multiply
    7,770,830.40x = 11,666,743.20 × 4,936,478.40
  4. Step 4: Simplify right side
    7,770,830.40x = 57,592,625,805,146.88
  5. Step 5: Solve for x
    x = 57,592,625,805,146.88/7,770,830.40
  6. Step 6: Final answer
    x = 7,411,386.28

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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.