Home / 40,338,865-60,508,824.54-13,412,521

Finding the Fourth Proportional to 40,338,865, 60,508,824.54 and 13,412,521

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Solution

The fourth proportional to 40,338,865, 60,508,824.54 and 13,412,521 is: 20,118,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338,865 : 60,508,824.54 = 13,412,521 : x
  2. Step 2: Convert to fraction form
    40,338,865/60,508,824.54 = 13,412,521/x
  3. Step 3: Cross multiply
    40,338,865x = 60,508,824.54 × 13,412,521
  4. Step 4: Simplify right side
    40,338,865x = 811,575,879,828,065.38
  5. Step 5: Solve for x
    x = 811,575,879,828,065.38/40,338,865
  6. Step 6: Final answer
    x = 20,118,956.74

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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.