Home / 21,484,417.81-29,592,018.41-16,513,352.94

Finding the Fourth Proportional to 21,484,417.81, 29,592,018.41 and 16,513,352.94

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Solution

The fourth proportional to 21,484,417.81, 29,592,018.41 and 16,513,352.94 is: 22,745,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484,417.81 : 29,592,018.41 = 16,513,352.94 : x
  2. Step 2: Convert to fraction form
    21,484,417.81/29,592,018.41 = 16,513,352.94/x
  3. Step 3: Cross multiply
    21,484,417.81x = 29,592,018.41 × 16,513,352.94
  4. Step 4: Simplify right side
    21,484,417.81x = 488,663,444,166,143.44
  5. Step 5: Solve for x
    x = 488,663,444,166,143.44/21,484,417.81
  6. Step 6: Final answer
    x = 22,745,016.81

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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.