Home / 12,927,970.50-17,840,719.65-7,126,959.81

Finding the Fourth Proportional to 12,927,970.50, 17,840,719.65 and 7,126,959.81

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Solution

The fourth proportional to 12,927,970.50, 17,840,719.65 and 7,126,959.81 is: 9,835,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,970.50 : 17,840,719.65 = 7,126,959.81 : x
  2. Step 2: Convert to fraction form
    12,927,970.50/17,840,719.65 = 7,126,959.81/x
  3. Step 3: Cross multiply
    12,927,970.50x = 17,840,719.65 × 7,126,959.81
  4. Step 4: Simplify right side
    12,927,970.50x = 127,150,091,927,027.25
  5. Step 5: Solve for x
    x = 127,150,091,927,027.25/12,927,970.50
  6. Step 6: Final answer
    x = 9,835,270.89

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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.