Home / 10,651,872.90-15,977,809.35-7,392,368.10

Finding the Fourth Proportional to 10,651,872.90, 15,977,809.35 and 7,392,368.10

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Solution

The fourth proportional to 10,651,872.90, 15,977,809.35 and 7,392,368.10 is: 11,088,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,872.90 : 15,977,809.35 = 7,392,368.10 : x
  2. Step 2: Convert to fraction form
    10,651,872.90/15,977,809.35 = 7,392,368.10/x
  3. Step 3: Cross multiply
    10,651,872.90x = 15,977,809.35 × 7,392,368.10
  4. Step 4: Simplify right side
    10,651,872.90x = 118,113,848,146,821.72
  5. Step 5: Solve for x
    x = 118,113,848,146,821.72/10,651,872.90
  6. Step 6: Final answer
    x = 11,088,552.15

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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.