Home / 28,217,477.79-42,310,207.85-25,810,115.67

Finding the Fourth Proportional to 28,217,477.79, 42,310,207.85 and 25,810,115.67

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Solution

The fourth proportional to 28,217,477.79, 42,310,207.85 and 25,810,115.67 is: 38,700,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217,477.79 : 42,310,207.85 = 25,810,115.67 : x
  2. Step 2: Convert to fraction form
    28,217,477.79/42,310,207.85 = 25,810,115.67/x
  3. Step 3: Cross multiply
    28,217,477.79x = 42,310,207.85 × 25,810,115.67
  4. Step 4: Simplify right side
    28,217,477.79x = 1,092,031,358,501,191.50
  5. Step 5: Solve for x
    x = 1,092,031,358,501,191.50/28,217,477.79
  6. Step 6: Final answer
    x = 38,700,530.45

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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.