Home / 13,348,034.20-20,022,051.30-7,280,421.40

Finding the Fourth Proportional to 13,348,034.20, 20,022,051.30 and 7,280,421.40

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Solution

The fourth proportional to 13,348,034.20, 20,022,051.30 and 7,280,421.40 is: 10,920,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,034.20 : 20,022,051.30 = 7,280,421.40 : x
  2. Step 2: Convert to fraction form
    13,348,034.20/20,022,051.30 = 7,280,421.40/x
  3. Step 3: Cross multiply
    13,348,034.20x = 20,022,051.30 × 7,280,421.40
  4. Step 4: Simplify right side
    13,348,034.20x = 145,768,970,756,417.84
  5. Step 5: Solve for x
    x = 145,768,970,756,417.84/13,348,034.20
  6. Step 6: Final answer
    x = 10,920,632.10

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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.