Home / 25,205,479.10-37,808,218.65-12,432,103.10

Finding the Fourth Proportional to 25,205,479.10, 37,808,218.65 and 12,432,103.10

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Solution

The fourth proportional to 25,205,479.10, 37,808,218.65 and 12,432,103.10 is: 18,648,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205,479.10 : 37,808,218.65 = 12,432,103.10 : x
  2. Step 2: Convert to fraction form
    25,205,479.10/37,808,218.65 = 12,432,103.10/x
  3. Step 3: Cross multiply
    25,205,479.10x = 37,808,218.65 × 12,432,103.10
  4. Step 4: Simplify right side
    25,205,479.10x = 470,035,672,284,142.81
  5. Step 5: Solve for x
    x = 470,035,672,284,142.81/25,205,479.10
  6. Step 6: Final answer
    x = 18,648,154.65

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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.