Home / 28,477,698.42-39,299,225.17-15,424,957.34

Finding the Fourth Proportional to 28,477,698.42, 39,299,225.17 and 15,424,957.34

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Solution

The fourth proportional to 28,477,698.42, 39,299,225.17 and 15,424,957.34 is: 21,286,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477,698.42 : 39,299,225.17 = 15,424,957.34 : x
  2. Step 2: Convert to fraction form
    28,477,698.42/39,299,225.17 = 15,424,957.34/x
  3. Step 3: Cross multiply
    28,477,698.42x = 39,299,225.17 × 15,424,957.34
  4. Step 4: Simplify right side
    28,477,698.42x = 606,188,871,545,808.12
  5. Step 5: Solve for x
    x = 606,188,871,545,808.12/28,477,698.42
  6. Step 6: Final answer
    x = 21,286,441.85

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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.