Home / 9,285,320.40-13,938,478.20-7,164,805.20

Finding the Fourth Proportional to 9,285,320.40, 13,938,478.20 and 7,164,805.20

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Solution

The fourth proportional to 9,285,320.40, 13,938,478.20 and 7,164,805.20 is: 10,755,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,320.40 : 13,938,478.20 = 7,164,805.20 : x
  2. Step 2: Convert to fraction form
    9,285,320.40/13,938,478.20 = 7,164,805.20/x
  3. Step 3: Cross multiply
    9,285,320.40x = 13,938,478.20 × 7,164,805.20
  4. Step 4: Simplify right side
    9,285,320.40x = 99,866,481,087,446.64
  5. Step 5: Solve for x
    x = 99,866,481,087,446.64/9,285,320.40
  6. Step 6: Final answer
    x = 10,755,308.03

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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.