Home / 10,302,819.23-14,217,179.32-5,718,779.75

Finding the Fourth Proportional to 10,302,819.23, 14,217,179.32 and 5,718,779.75

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Solution

The fourth proportional to 10,302,819.23, 14,217,179.32 and 5,718,779.75 is: 7,891,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,819.23 : 14,217,179.32 = 5,718,779.75 : x
  2. Step 2: Convert to fraction form
    10,302,819.23/14,217,179.32 = 5,718,779.75/x
  3. Step 3: Cross multiply
    10,302,819.23x = 14,217,179.32 × 5,718,779.75
  4. Step 4: Simplify right side
    10,302,819.23x = 81,304,917,197,334.77
  5. Step 5: Solve for x
    x = 81,304,917,197,334.77/10,302,819.23
  6. Step 6: Final answer
    x = 7,891,521.28

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1.5x scale

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.