Home / 18,337,688.20-27,506,532.30-8,748,130.60

Finding the Fourth Proportional to 18,337,688.20, 27,506,532.30 and 8,748,130.60

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Solution

The fourth proportional to 18,337,688.20, 27,506,532.30 and 8,748,130.60 is: 13,122,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337,688.20 : 27,506,532.30 = 8,748,130.60 : x
  2. Step 2: Convert to fraction form
    18,337,688.20/27,506,532.30 = 8,748,130.60/x
  3. Step 3: Cross multiply
    18,337,688.20x = 27,506,532.30 × 8,748,130.60
  4. Step 4: Simplify right side
    18,337,688.20x = 240,630,736,913,518.38
  5. Step 5: Solve for x
    x = 240,630,736,913,518.38/18,337,688.20
  6. Step 6: Final answer
    x = 13,122,195.90

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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.