Home / 13,242,710.39-19,864,442.85-3,658,089.94

Finding the Fourth Proportional to 13,242,710.39, 19,864,442.85 and 3,658,089.94

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Solution

The fourth proportional to 13,242,710.39, 19,864,442.85 and 3,658,089.94 is: 5,487,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242,710.39 : 19,864,442.85 = 3,658,089.94 : x
  2. Step 2: Convert to fraction form
    13,242,710.39/19,864,442.85 = 3,658,089.94/x
  3. Step 3: Cross multiply
    13,242,710.39x = 19,864,442.85 × 3,658,089.94
  4. Step 4: Simplify right side
    13,242,710.39x = 72,665,918,553,289.94
  5. Step 5: Solve for x
    x = 72,665,918,553,289.94/13,242,710.39
  6. Step 6: Final answer
    x = 5,487,239.12

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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.