Home / 13,013,035.20-17,956,931.04-7,212,061.44

Finding the Fourth Proportional to 13,013,035.20, 17,956,931.04 and 7,212,061.44

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Solution

The fourth proportional to 13,013,035.20, 17,956,931.04 and 7,212,061.44 is: 9,952,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,035.20 : 17,956,931.04 = 7,212,061.44 : x
  2. Step 2: Convert to fraction form
    13,013,035.20/17,956,931.04 = 7,212,061.44/x
  3. Step 3: Cross multiply
    13,013,035.20x = 17,956,931.04 × 7,212,061.44
  4. Step 4: Simplify right side
    13,013,035.20x = 129,506,489,934,323.09
  5. Step 5: Solve for x
    x = 129,506,489,934,323.09/13,013,035.20
  6. Step 6: Final answer
    x = 9,952,058.68

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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.