Home / 15,700,226.09-21,663,136.46-9,172,594.85

Finding the Fourth Proportional to 15,700,226.09, 21,663,136.46 and 9,172,594.85

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Solution

The fourth proportional to 15,700,226.09, 21,663,136.46 and 9,172,594.85 is: 12,656,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700,226.09 : 21,663,136.46 = 9,172,594.85 : x
  2. Step 2: Convert to fraction form
    15,700,226.09/21,663,136.46 = 9,172,594.85/x
  3. Step 3: Cross multiply
    15,700,226.09x = 21,663,136.46 × 9,172,594.85
  4. Step 4: Simplify right side
    15,700,226.09x = 198,707,173,842,459.03
  5. Step 5: Solve for x
    x = 198,707,173,842,459.03/15,700,226.09
  6. Step 6: Final answer
    x = 12,656,325.63

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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.