Home / 30,921,146.20-46,386,968.10-9,355,576.60

Finding the Fourth Proportional to 30,921,146.20, 46,386,968.10 and 9,355,576.60

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Solution

The fourth proportional to 30,921,146.20, 46,386,968.10 and 9,355,576.60 is: 14,034,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921,146.20 : 46,386,968.10 = 9,355,576.60 : x
  2. Step 2: Convert to fraction form
    30,921,146.20/46,386,968.10 = 9,355,576.60/x
  3. Step 3: Cross multiply
    30,921,146.20x = 46,386,968.10 × 9,355,576.60
  4. Step 4: Simplify right side
    30,921,146.20x = 433,976,833,301,306.44
  5. Step 5: Solve for x
    x = 433,976,833,301,306.44/30,921,146.20
  6. Step 6: Final answer
    x = 14,034,952.99

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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.