Home / 13,513,281.18-18,648,097.56-7,318,277.69

Finding the Fourth Proportional to 13,513,281.18, 18,648,097.56 and 7,318,277.69

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Solution

The fourth proportional to 13,513,281.18, 18,648,097.56 and 7,318,277.69 is: 10,099,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,281.18 : 18,648,097.56 = 7,318,277.69 : x
  2. Step 2: Convert to fraction form
    13,513,281.18/18,648,097.56 = 7,318,277.69/x
  3. Step 3: Cross multiply
    13,513,281.18x = 18,648,097.56 × 7,318,277.69
  4. Step 4: Simplify right side
    13,513,281.18x = 136,471,956,241,050.94
  5. Step 5: Solve for x
    x = 136,471,956,241,050.94/13,513,281.18
  6. Step 6: Final answer
    x = 10,099,098.39

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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.