Home / 25,685,205.58-38,523,707.13-7,485,143.55

Finding the Fourth Proportional to 25,685,205.58, 38,523,707.13 and 7,485,143.55

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Solution

The fourth proportional to 25,685,205.58, 38,523,707.13 and 7,485,143.55 is: 11,226,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685,205.58 : 38,523,707.13 = 7,485,143.55 : x
  2. Step 2: Convert to fraction form
    25,685,205.58/38,523,707.13 = 7,485,143.55/x
  3. Step 3: Cross multiply
    25,685,205.58x = 38,523,707.13 × 7,485,143.55
  4. Step 4: Simplify right side
    25,685,205.58x = 288,355,478,118,030.75
  5. Step 5: Solve for x
    x = 288,355,478,118,030.75/25,685,205.58
  6. Step 6: Final answer
    x = 11,226,520.16

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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.