Home / 14,358,534.53-21,519,841.05-7,172,074.40

Finding the Fourth Proportional to 14,358,534.53, 21,519,841.05 and 7,172,074.40

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Solution

The fourth proportional to 14,358,534.53, 21,519,841.05 and 7,172,074.40 is: 10,749,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358,534.53 : 21,519,841.05 = 7,172,074.40 : x
  2. Step 2: Convert to fraction form
    14,358,534.53/21,519,841.05 = 7,172,074.40/x
  3. Step 3: Cross multiply
    14,358,534.53x = 21,519,841.05 × 7,172,074.40
  4. Step 4: Simplify right side
    14,358,534.53x = 154,341,900,979,174.91
  5. Step 5: Solve for x
    x = 154,341,900,979,174.91/14,358,534.53
  6. Step 6: Final answer
    x = 10,749,140.22

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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.