Home / 28,975,097.80-43,462,646.70-8,777,715.40

Finding the Fourth Proportional to 28,975,097.80, 43,462,646.70 and 8,777,715.40

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Solution

The fourth proportional to 28,975,097.80, 43,462,646.70 and 8,777,715.40 is: 13,166,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,097.80 : 43,462,646.70 = 8,777,715.40 : x
  2. Step 2: Convert to fraction form
    28,975,097.80/43,462,646.70 = 8,777,715.40/x
  3. Step 3: Cross multiply
    28,975,097.80x = 43,462,646.70 × 8,777,715.40
  4. Step 4: Simplify right side
    28,975,097.80x = 381,502,743,263,349.25
  5. Step 5: Solve for x
    x = 381,502,743,263,349.25/28,975,097.80
  6. Step 6: Final answer
    x = 13,166,573.10

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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.