Home / 21,411,604.42-29,547,249.16-12,118,974.88

Finding the Fourth Proportional to 21,411,604.42, 29,547,249.16 and 12,118,974.88

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Solution

The fourth proportional to 21,411,604.42, 29,547,249.16 and 12,118,974.88 is: 16,723,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,604.42 : 29,547,249.16 = 12,118,974.88 : x
  2. Step 2: Convert to fraction form
    21,411,604.42/29,547,249.16 = 12,118,974.88/x
  3. Step 3: Cross multiply
    21,411,604.42x = 29,547,249.16 × 12,118,974.88
  4. Step 4: Simplify right side
    21,411,604.42x = 358,082,370,343,141.12
  5. Step 5: Solve for x
    x = 358,082,370,343,141.12/21,411,604.42
  6. Step 6: Final answer
    x = 16,723,752.38

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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.