Home / 13,564,891.80-20,347,337.70-12,525,629.40

Finding the Fourth Proportional to 13,564,891.80, 20,347,337.70 and 12,525,629.40

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Solution

The fourth proportional to 13,564,891.80, 20,347,337.70 and 12,525,629.40 is: 18,788,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,891.80 : 20,347,337.70 = 12,525,629.40 : x
  2. Step 2: Convert to fraction form
    13,564,891.80/20,347,337.70 = 12,525,629.40/x
  3. Step 3: Cross multiply
    13,564,891.80x = 20,347,337.70 × 12,525,629.40
  4. Step 4: Simplify right side
    13,564,891.80x = 254,863,211,306,848.38
  5. Step 5: Solve for x
    x = 254,863,211,306,848.38/13,564,891.80
  6. Step 6: Final answer
    x = 18,788,444.10

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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.