Home / 28,758,533.40-43,137,800.10-13,641,989.40

Finding the Fourth Proportional to 28,758,533.40, 43,137,800.10 and 13,641,989.40

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Solution

The fourth proportional to 28,758,533.40, 43,137,800.10 and 13,641,989.40 is: 20,462,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,533.40 : 43,137,800.10 = 13,641,989.40 : x
  2. Step 2: Convert to fraction form
    28,758,533.40/43,137,800.10 = 13,641,989.40/x
  3. Step 3: Cross multiply
    28,758,533.40x = 43,137,800.10 × 13,641,989.40
  4. Step 4: Simplify right side
    28,758,533.40x = 588,485,411,703,519
  5. Step 5: Solve for x
    x = 588,485,411,703,519/28,758,533.40
  6. Step 6: Final answer
    x = 20,462,984.10

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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.