Home / 18,013,335.09-24,839,823.34-15,408,462.76

Finding the Fourth Proportional to 18,013,335.09, 24,839,823.34 and 15,408,462.76

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Solution

The fourth proportional to 18,013,335.09, 24,839,823.34 and 15,408,462.76 is: 21,247,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013,335.09 : 24,839,823.34 = 15,408,462.76 : x
  2. Step 2: Convert to fraction form
    18,013,335.09/24,839,823.34 = 15,408,462.76/x
  3. Step 3: Cross multiply
    18,013,335.09x = 24,839,823.34 × 15,408,462.76
  4. Step 4: Simplify right side
    18,013,335.09x = 382,743,492,899,368.81
  5. Step 5: Solve for x
    x = 382,743,492,899,368.81/18,013,335.09
  6. Step 6: Final answer
    x = 21,247,786.21

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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.