Home / 10,342,454.90-15,513,682.35-9,226,428.80

Finding the Fourth Proportional to 10,342,454.90, 15,513,682.35 and 9,226,428.80

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Solution

The fourth proportional to 10,342,454.90, 15,513,682.35 and 9,226,428.80 is: 13,839,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,454.90 : 15,513,682.35 = 9,226,428.80 : x
  2. Step 2: Convert to fraction form
    10,342,454.90/15,513,682.35 = 9,226,428.80/x
  3. Step 3: Cross multiply
    10,342,454.90x = 15,513,682.35 × 9,226,428.80
  4. Step 4: Simplify right side
    10,342,454.90x = 143,135,885,628,091.69
  5. Step 5: Solve for x
    x = 143,135,885,628,091.69/10,342,454.90
  6. Step 6: Final answer
    x = 13,839,643.20

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Similar ratio
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1.5x scale

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.