Home / 13,211,599.84-18,232,160.80-7,331,354.72

Finding the Fourth Proportional to 13,211,599.84, 18,232,160.80 and 7,331,354.72

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Solution

The fourth proportional to 13,211,599.84, 18,232,160.80 and 7,331,354.72 is: 10,117,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,599.84 : 18,232,160.80 = 7,331,354.72 : x
  2. Step 2: Convert to fraction form
    13,211,599.84/18,232,160.80 = 7,331,354.72/x
  3. Step 3: Cross multiply
    13,211,599.84x = 18,232,160.80 × 7,331,354.72
  4. Step 4: Simplify right side
    13,211,599.84x = 133,666,438,136,878.98
  5. Step 5: Solve for x
    x = 133,666,438,136,878.98/13,211,599.84
  6. Step 6: Final answer
    x = 10,117,354.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.