Home / 28,465,353.81-42,697,653.12-6,900,144.93

Finding the Fourth Proportional to 28,465,353.81, 42,697,653.12 and 6,900,144.93

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Solution

The fourth proportional to 28,465,353.81, 42,697,653.12 and 6,900,144.93 is: 10,350,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,353.81 : 42,697,653.12 = 6,900,144.93 : x
  2. Step 2: Convert to fraction form
    28,465,353.81/42,697,653.12 = 6,900,144.93/x
  3. Step 3: Cross multiply
    28,465,353.81x = 42,697,653.12 × 6,900,144.93
  4. Step 4: Simplify right side
    28,465,353.81x = 294,619,994,698,866.62
  5. Step 5: Solve for x
    x = 294,619,994,698,866.62/28,465,353.81
  6. Step 6: Final answer
    x = 10,350,125.86

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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.