Home / 12,577,740.90-17,357,178.07-7,071,140.30

Finding the Fourth Proportional to 12,577,740.90, 17,357,178.07 and 7,071,140.30

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Solution

The fourth proportional to 12,577,740.90, 17,357,178.07 and 7,071,140.30 is: 9,758,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,740.90 : 17,357,178.07 = 7,071,140.30 : x
  2. Step 2: Convert to fraction form
    12,577,740.90/17,357,178.07 = 7,071,140.30/x
  3. Step 3: Cross multiply
    12,577,740.90x = 17,357,178.07 × 7,071,140.30
  4. Step 4: Simplify right side
    12,577,740.90x = 122,735,041,345,053.22
  5. Step 5: Solve for x
    x = 122,735,041,345,053.22/12,577,740.90
  6. Step 6: Final answer
    x = 9,758,114.94

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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.