Home / 14,112,005.70-21,168,008.55-14,012,472.90

Finding the Fourth Proportional to 14,112,005.70, 21,168,008.55 and 14,012,472.90

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Solution

The fourth proportional to 14,112,005.70, 21,168,008.55 and 14,012,472.90 is: 21,018,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,005.70 : 21,168,008.55 = 14,012,472.90 : x
  2. Step 2: Convert to fraction form
    14,112,005.70/21,168,008.55 = 14,012,472.90/x
  3. Step 3: Cross multiply
    14,112,005.70x = 21,168,008.55 × 14,012,472.90
  4. Step 4: Simplify right side
    14,112,005.70x = 296,616,146,153,843.31
  5. Step 5: Solve for x
    x = 296,616,146,153,843.31/14,112,005.70
  6. Step 6: Final answer
    x = 21,018,709.35

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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.