Home / 28,249,956.32-42,364,178.76-16,738,671.92

Finding the Fourth Proportional to 28,249,956.32, 42,364,178.76 and 16,738,671.92

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Solution

The fourth proportional to 28,249,956.32, 42,364,178.76 and 16,738,671.92 is: 25,101,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249,956.32 : 42,364,178.76 = 16,738,671.92 : x
  2. Step 2: Convert to fraction form
    28,249,956.32/42,364,178.76 = 16,738,671.92/x
  3. Step 3: Cross multiply
    28,249,956.32x = 42,364,178.76 × 16,738,671.92
  4. Step 4: Simplify right side
    28,249,956.32x = 709,120,089,423,872.38
  5. Step 5: Solve for x
    x = 709,120,089,423,872.38/28,249,956.32
  6. Step 6: Final answer
    x = 25,101,634.90

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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.