Home / 13,513,737.22-18,648,864.93-7,318,641.45

Finding the Fourth Proportional to 13,513,737.22, 18,648,864.93 and 7,318,641.45

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Solution

The fourth proportional to 13,513,737.22, 18,648,864.93 and 7,318,641.45 is: 10,099,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,737.22 : 18,648,864.93 = 7,318,641.45 : x
  2. Step 2: Convert to fraction form
    13,513,737.22/18,648,864.93 = 7,318,641.45/x
  3. Step 3: Cross multiply
    13,513,737.22x = 18,648,864.93 × 7,318,641.45
  4. Step 4: Simplify right side
    13,513,737.22x = 136,484,355,835,556.16
  5. Step 5: Solve for x
    x = 136,484,355,835,556.16/13,513,737.22
  6. Step 6: Final answer
    x = 10,099,675.14

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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.