Home / 12,700,028.10-17,528,495.07-8,282,084.88

Finding the Fourth Proportional to 12,700,028.10, 17,528,495.07 and 8,282,084.88

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Solution

The fourth proportional to 12,700,028.10, 17,528,495.07 and 8,282,084.88 is: 11,430,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700,028.10 : 17,528,495.07 = 8,282,084.88 : x
  2. Step 2: Convert to fraction form
    12,700,028.10/17,528,495.07 = 8,282,084.88/x
  3. Step 3: Cross multiply
    12,700,028.10x = 17,528,495.07 × 8,282,084.88
  4. Step 4: Simplify right side
    12,700,028.10x = 145,172,483,988,401.53
  5. Step 5: Solve for x
    x = 145,172,483,988,401.53/12,700,028.10
  6. Step 6: Final answer
    x = 11,430,878.96

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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.