Home / 13,125,637.80-19,688,327.10-4,150,189.80

Finding the Fourth Proportional to 13,125,637.80, 19,688,327.10 and 4,150,189.80

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Solution

The fourth proportional to 13,125,637.80, 19,688,327.10 and 4,150,189.80 is: 6,225,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,637.80 : 19,688,327.10 = 4,150,189.80 : x
  2. Step 2: Convert to fraction form
    13,125,637.80/19,688,327.10 = 4,150,189.80/x
  3. Step 3: Cross multiply
    13,125,637.80x = 19,688,327.10 × 4,150,189.80
  4. Step 4: Simplify right side
    13,125,637.80x = 81,710,294,309,483.58
  5. Step 5: Solve for x
    x = 81,710,294,309,483.58/13,125,637.80
  6. Step 6: Final answer
    x = 6,225,243.72

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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.