Home / 12,296,421.60-18,444,632.40-8,706,242.40

Finding the Fourth Proportional to 12,296,421.60, 18,444,632.40 and 8,706,242.40

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Solution

The fourth proportional to 12,296,421.60, 18,444,632.40 and 8,706,242.40 is: 13,059,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,421.60 : 18,444,632.40 = 8,706,242.40 : x
  2. Step 2: Convert to fraction form
    12,296,421.60/18,444,632.40 = 8,706,242.40/x
  3. Step 3: Cross multiply
    12,296,421.60x = 18,444,632.40 × 8,706,242.40
  4. Step 4: Simplify right side
    12,296,421.60x = 160,583,440,653,293.75
  5. Step 5: Solve for x
    x = 160,583,440,653,293.75/12,296,421.60
  6. Step 6: Final answer
    x = 13,059,363.60

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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.