Home / 13,429,682.58-18,532,985.58-7,318,111.08

Finding the Fourth Proportional to 13,429,682.58, 18,532,985.58 and 7,318,111.08

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Solution

The fourth proportional to 13,429,682.58, 18,532,985.58 and 7,318,111.08 is: 10,099,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429,682.58 : 18,532,985.58 = 7,318,111.08 : x
  2. Step 2: Convert to fraction form
    13,429,682.58/18,532,985.58 = 7,318,111.08/x
  3. Step 3: Cross multiply
    13,429,682.58x = 18,532,985.58 × 7,318,111.08
  4. Step 4: Simplify right side
    13,429,682.58x = 135,626,447,118,478.22
  5. Step 5: Solve for x
    x = 135,626,447,118,478.22/13,429,682.58
  6. Step 6: Final answer
    x = 10,099,006.16

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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.