Home / 13,770,036.60-20,636,159.04-8,712,292.92

Finding the Fourth Proportional to 13,770,036.60, 20,636,159.04 and 8,712,292.92

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Solution

The fourth proportional to 13,770,036.60, 20,636,159.04 and 8,712,292.92 is: 13,056,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,036.60 : 20,636,159.04 = 8,712,292.92 : x
  2. Step 2: Convert to fraction form
    13,770,036.60/20,636,159.04 = 8,712,292.92/x
  3. Step 3: Cross multiply
    13,770,036.60x = 20,636,159.04 × 8,712,292.92
  4. Step 4: Simplify right side
    13,770,036.60x = 179,788,262,300,186
  5. Step 5: Solve for x
    x = 179,788,262,300,186/13,770,036.60
  6. Step 6: Final answer
    x = 13,056,483.98

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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.