Home / 21,152,511.48-29,199,396-14,286,293.76

Finding the Fourth Proportional to 21,152,511.48, 29,199,396 and 14,286,293.76

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Solution

The fourth proportional to 21,152,511.48, 29,199,396 and 14,286,293.76 is: 19,721,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,511.48 : 29,199,396 = 14,286,293.76 : x
  2. Step 2: Convert to fraction form
    21,152,511.48/29,199,396 = 14,286,293.76/x
  3. Step 3: Cross multiply
    21,152,511.48x = 29,199,396 × 14,286,293.76
  4. Step 4: Simplify right side
    21,152,511.48x = 417,151,148,870,568.94
  5. Step 5: Solve for x
    x = 417,151,148,870,568.94/21,152,511.48
  6. Step 6: Final answer
    x = 19,721,116.77

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1.5x scale

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.