Home / 12,842,985.02-17,724,115.59-7,119,849.02

Finding the Fourth Proportional to 12,842,985.02, 17,724,115.59 and 7,119,849.02

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Solution

The fourth proportional to 12,842,985.02, 17,724,115.59 and 7,119,849.02 is: 9,825,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,985.02 : 17,724,115.59 = 7,119,849.02 : x
  2. Step 2: Convert to fraction form
    12,842,985.02/17,724,115.59 = 7,119,849.02/x
  3. Step 3: Cross multiply
    12,842,985.02x = 17,724,115.59 × 7,119,849.02
  4. Step 4: Simplify right side
    12,842,985.02x = 126,193,027,013,828.22
  5. Step 5: Solve for x
    x = 126,193,027,013,828.22/12,842,985.02
  6. Step 6: Final answer
    x = 9,825,833.08

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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.