Home / 31,639,192.55-47,381,396.35-28,572,114.59

Finding the Fourth Proportional to 31,639,192.55, 47,381,396.35 and 28,572,114.59

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Solution

The fourth proportional to 31,639,192.55, 47,381,396.35 and 28,572,114.59 is: 42,788,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639,192.55 : 47,381,396.35 = 28,572,114.59 : x
  2. Step 2: Convert to fraction form
    31,639,192.55/47,381,396.35 = 28,572,114.59/x
  3. Step 3: Cross multiply
    31,639,192.55x = 47,381,396.35 × 28,572,114.59
  4. Step 4: Simplify right side
    31,639,192.55x = 1,353,786,685,993,431
  5. Step 5: Solve for x
    x = 1,353,786,685,993,431/31,639,192.55
  6. Step 6: Final answer
    x = 42,788,281.77

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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.