Home / 18,506,160-25,492,868.91-15,744,000.87

Finding the Fourth Proportional to 18,506,160, 25,492,868.91 and 15,744,000.87

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Solution

The fourth proportional to 18,506,160, 25,492,868.91 and 15,744,000.87 is: 21,687,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,160 : 25,492,868.91 = 15,744,000.87 : x
  2. Step 2: Convert to fraction form
    18,506,160/25,492,868.91 = 15,744,000.87/x
  3. Step 3: Cross multiply
    18,506,160x = 25,492,868.91 × 15,744,000.87
  4. Step 4: Simplify right side
    18,506,160x = 401,359,750,297,835.94
  5. Step 5: Solve for x
    x = 401,359,750,297,835.94/18,506,160
  6. Step 6: Final answer
    x = 21,687,900.15

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1.5x scale

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.