Home / 12,350,615.40-18,536,420.70-9,957,162.60

Finding the Fourth Proportional to 12,350,615.40, 18,536,420.70 and 9,957,162.60

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Solution

The fourth proportional to 12,350,615.40, 18,536,420.70 and 9,957,162.60 is: 14,944,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350,615.40 : 18,536,420.70 = 9,957,162.60 : x
  2. Step 2: Convert to fraction form
    12,350,615.40/18,536,420.70 = 9,957,162.60/x
  3. Step 3: Cross multiply
    12,350,615.40x = 18,536,420.70 × 9,957,162.60
  4. Step 4: Simplify right side
    12,350,615.40x = 184,570,154,931,905.81
  5. Step 5: Solve for x
    x = 184,570,154,931,905.81/12,350,615.40
  6. Step 6: Final answer
    x = 14,944,207.15

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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.