Home / 17,007,006.80-25,448,302.20-12,528,030.80

Finding the Fourth Proportional to 17,007,006.80, 25,448,302.20 and 12,528,030.80

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Solution

The fourth proportional to 17,007,006.80, 25,448,302.20 and 12,528,030.80 is: 18,746,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007,006.80 : 25,448,302.20 = 12,528,030.80 : x
  2. Step 2: Convert to fraction form
    17,007,006.80/25,448,302.20 = 12,528,030.80/x
  3. Step 3: Cross multiply
    17,007,006.80x = 25,448,302.20 × 12,528,030.80
  4. Step 4: Simplify right side
    17,007,006.80x = 318,817,113,769,307.75
  5. Step 5: Solve for x
    x = 318,817,113,769,307.75/17,007,006.80
  6. Step 6: Final answer
    x = 18,746,221.34

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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.