Home / 12,927,948-17,840,688.57-7,126,937.32

Finding the Fourth Proportional to 12,927,948, 17,840,688.57 and 7,126,937.32

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Solution

The fourth proportional to 12,927,948, 17,840,688.57 and 7,126,937.32 is: 9,835,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,948 : 17,840,688.57 = 7,126,937.32 : x
  2. Step 2: Convert to fraction form
    12,927,948/17,840,688.57 = 7,126,937.32/x
  3. Step 3: Cross multiply
    12,927,948x = 17,840,688.57 × 7,126,937.32
  4. Step 4: Simplify right side
    12,927,948x = 127,149,469,184,030.44
  5. Step 5: Solve for x
    x = 127,149,469,184,030.44/12,927,948
  6. Step 6: Final answer
    x = 9,835,239.84

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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.