Home / 21,678,866.61-32,518,265.27-11,963,009.73

Finding the Fourth Proportional to 21,678,866.61, 32,518,265.27 and 11,963,009.73

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Solution

The fourth proportional to 21,678,866.61, 32,518,265.27 and 11,963,009.73 is: 17,944,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678,866.61 : 32,518,265.27 = 11,963,009.73 : x
  2. Step 2: Convert to fraction form
    21,678,866.61/32,518,265.27 = 11,963,009.73/x
  3. Step 3: Cross multiply
    21,678,866.61x = 32,518,265.27 × 11,963,009.73
  4. Step 4: Simplify right side
    21,678,866.61x = 389,016,323,767,916.06
  5. Step 5: Solve for x
    x = 389,016,323,767,916.06/21,678,866.61
  6. Step 6: Final answer
    x = 17,944,495.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.