Home / 28,139,811.40-42,209,717.10-16,613,446.60

Finding the Fourth Proportional to 28,139,811.40, 42,209,717.10 and 16,613,446.60

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Solution

The fourth proportional to 28,139,811.40, 42,209,717.10 and 16,613,446.60 is: 24,920,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,811.40 : 42,209,717.10 = 16,613,446.60 : x
  2. Step 2: Convert to fraction form
    28,139,811.40/42,209,717.10 = 16,613,446.60/x
  3. Step 3: Cross multiply
    28,139,811.40x = 42,209,717.10 × 16,613,446.60
  4. Step 4: Simplify right side
    28,139,811.40x = 701,248,881,041,956.88
  5. Step 5: Solve for x
    x = 701,248,881,041,956.88/28,139,811.40
  6. Step 6: Final answer
    x = 24,920,169.90

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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.