Home / 13,593,495.15-20,390,297.70-5,506,623.72

Finding the Fourth Proportional to 13,593,495.15, 20,390,297.70 and 5,506,623.72

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Solution

The fourth proportional to 13,593,495.15, 20,390,297.70 and 5,506,623.72 is: 8,259,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,495.15 : 20,390,297.70 = 5,506,623.72 : x
  2. Step 2: Convert to fraction form
    13,593,495.15/20,390,297.70 = 5,506,623.72/x
  3. Step 3: Cross multiply
    13,593,495.15x = 20,390,297.70 × 5,506,623.72
  4. Step 4: Simplify right side
    13,593,495.15x = 112,281,696,972,681.44
  5. Step 5: Solve for x
    x = 112,281,696,972,681.44/13,593,495.15
  6. Step 6: Final answer
    x = 8,259,957.85

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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.