Home / 25,205,479.60-37,808,219.40-12,432,103.60

Finding the Fourth Proportional to 25,205,479.60, 37,808,219.40 and 12,432,103.60

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Solution

The fourth proportional to 25,205,479.60, 37,808,219.40 and 12,432,103.60 is: 18,648,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205,479.60 : 37,808,219.40 = 12,432,103.60 : x
  2. Step 2: Convert to fraction form
    25,205,479.60/37,808,219.40 = 12,432,103.60/x
  3. Step 3: Cross multiply
    25,205,479.60x = 37,808,219.40 × 12,432,103.60
  4. Step 4: Simplify right side
    25,205,479.60x = 470,035,700,512,329.81
  5. Step 5: Solve for x
    x = 470,035,700,512,329.81/25,205,479.60
  6. Step 6: Final answer
    x = 18,648,155.40

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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.