Home / 13,355,097.75-18,430,036.11-7,553,754.63

Finding the Fourth Proportional to 13,355,097.75, 18,430,036.11 and 7,553,754.63

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Solution

The fourth proportional to 13,355,097.75, 18,430,036.11 and 7,553,754.63 is: 10,424,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,097.75 : 18,430,036.11 = 7,553,754.63 : x
  2. Step 2: Convert to fraction form
    13,355,097.75/18,430,036.11 = 7,553,754.63/x
  3. Step 3: Cross multiply
    13,355,097.75x = 18,430,036.11 × 7,553,754.63
  4. Step 4: Simplify right side
    13,355,097.75x = 139,215,970,596,979.69
  5. Step 5: Solve for x
    x = 139,215,970,596,979.69/13,355,097.75
  6. Step 6: Final answer
    x = 10,424,182.08

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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.