Home / 21,678,693.06-29,913,829.41-12,386,864.91

Finding the Fourth Proportional to 21,678,693.06, 29,913,829.41 and 12,386,864.91

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Solution

The fourth proportional to 21,678,693.06, 29,913,829.41 and 12,386,864.91 is: 17,092,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,693.06 : 29,913,829.41 = 12,386,864.91 : x
  2. Step 2: Convert to fraction form
    21,678,693.06/29,913,829.41 = 12,386,864.91/x
  3. Step 3: Cross multiply
    21,678,693.06x = 29,913,829.41 × 12,386,864.91
  4. Step 4: Simplify right side
    21,678,693.06x = 370,538,563,842,455
  5. Step 5: Solve for x
    x = 370,538,563,842,455/21,678,693.06
  6. Step 6: Final answer
    x = 17,092,292.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.