Home / 9,662,420.90-13,334,184.06-5,311,787.51

Finding the Fourth Proportional to 9,662,420.90, 13,334,184.06 and 5,311,787.51

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Solution

The fourth proportional to 9,662,420.90, 13,334,184.06 and 5,311,787.51 is: 7,330,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,420.90 : 13,334,184.06 = 5,311,787.51 : x
  2. Step 2: Convert to fraction form
    9,662,420.90/13,334,184.06 = 5,311,787.51/x
  3. Step 3: Cross multiply
    9,662,420.90x = 13,334,184.06 × 5,311,787.51
  4. Step 4: Simplify right side
    9,662,420.90x = 70,828,352,359,365.36
  5. Step 5: Solve for x
    x = 70,828,352,359,365.36/9,662,420.90
  6. Step 6: Final answer
    x = 7,330,290.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.