Home / 14,343,810.40-21,486,685.20-8,935,861.60

Finding the Fourth Proportional to 14,343,810.40, 21,486,685.20 and 8,935,861.60

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Solution

The fourth proportional to 14,343,810.40, 21,486,685.20 and 8,935,861.60 is: 13,385,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343,810.40 : 21,486,685.20 = 8,935,861.60 : x
  2. Step 2: Convert to fraction form
    14,343,810.40/21,486,685.20 = 8,935,861.60/x
  3. Step 3: Cross multiply
    14,343,810.40x = 21,486,685.20 × 8,935,861.60
  4. Step 4: Simplify right side
    14,343,810.40x = 192,002,045,189,968.31
  5. Step 5: Solve for x
    x = 192,002,045,189,968.31/14,343,810.40
  6. Step 6: Final answer
    x = 13,385,707.13

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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.