Home / 13,739,808.60-20,609,712.90-6,937,363.80

Finding the Fourth Proportional to 13,739,808.60, 20,609,712.90 and 6,937,363.80

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Solution

The fourth proportional to 13,739,808.60, 20,609,712.90 and 6,937,363.80 is: 10,406,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,808.60 : 20,609,712.90 = 6,937,363.80 : x
  2. Step 2: Convert to fraction form
    13,739,808.60/20,609,712.90 = 6,937,363.80/x
  3. Step 3: Cross multiply
    13,739,808.60x = 20,609,712.90 × 6,937,363.80
  4. Step 4: Simplify right side
    13,739,808.60x = 142,977,076,200,853
  5. Step 5: Solve for x
    x = 142,977,076,200,853/13,739,808.60
  6. Step 6: Final answer
    x = 10,406,045.70

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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.