Home / 8,736,706.90-13,105,060.35-8,239,042.90

Finding the Fourth Proportional to 8,736,706.90, 13,105,060.35 and 8,239,042.90

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Solution

The fourth proportional to 8,736,706.90, 13,105,060.35 and 8,239,042.90 is: 12,358,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,706.90 : 13,105,060.35 = 8,239,042.90 : x
  2. Step 2: Convert to fraction form
    8,736,706.90/13,105,060.35 = 8,239,042.90/x
  3. Step 3: Cross multiply
    8,736,706.90x = 13,105,060.35 × 8,239,042.90
  4. Step 4: Simplify right side
    8,736,706.90x = 107,973,154,430,739.02
  5. Step 5: Solve for x
    x = 107,973,154,430,739.02/8,736,706.90
  6. Step 6: Final answer
    x = 12,358,564.35

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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.