Home / 46,656,053.40-69,984,080.10-21,146,885.40

Finding the Fourth Proportional to 46,656,053.40, 69,984,080.10 and 21,146,885.40

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Solution

The fourth proportional to 46,656,053.40, 69,984,080.10 and 21,146,885.40 is: 31,720,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,053.40 : 69,984,080.10 = 21,146,885.40 : x
  2. Step 2: Convert to fraction form
    46,656,053.40/69,984,080.10 = 21,146,885.40/x
  3. Step 3: Cross multiply
    46,656,053.40x = 69,984,080.10 × 21,146,885.40
  4. Step 4: Simplify right side
    46,656,053.40x = 1,479,945,321,699,120.25
  5. Step 5: Solve for x
    x = 1,479,945,321,699,120.25/46,656,053.40
  6. Step 6: Final answer
    x = 31,720,328.10

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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.