Home / 18,154,421.70-27,203,638.95-15,746,972.10

Finding the Fourth Proportional to 18,154,421.70, 27,203,638.95 and 15,746,972.10

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Solution

The fourth proportional to 18,154,421.70, 27,203,638.95 and 15,746,972.10 is: 23,596,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,421.70 : 27,203,638.95 = 15,746,972.10 : x
  2. Step 2: Convert to fraction form
    18,154,421.70/27,203,638.95 = 15,746,972.10/x
  3. Step 3: Cross multiply
    18,154,421.70x = 27,203,638.95 × 15,746,972.10
  4. Step 4: Simplify right side
    18,154,421.70x = 428,374,943,564,123.25
  5. Step 5: Solve for x
    x = 428,374,943,564,123.25/18,154,421.70
  6. Step 6: Final answer
    x = 23,596,176.77

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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.