Home / 21,145,006.61-29,125,528.58-14,939,280.92

Finding the Fourth Proportional to 21,145,006.61, 29,125,528.58 and 14,939,280.92

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Solution

The fourth proportional to 21,145,006.61, 29,125,528.58 and 14,939,280.92 is: 20,577,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145,006.61 : 29,125,528.58 = 14,939,280.92 : x
  2. Step 2: Convert to fraction form
    21,145,006.61/29,125,528.58 = 14,939,280.92/x
  3. Step 3: Cross multiply
    21,145,006.61x = 29,125,528.58 × 14,939,280.92
  4. Step 4: Simplify right side
    21,145,006.61x = 435,114,453,262,406.19
  5. Step 5: Solve for x
    x = 435,114,453,262,406.19/21,145,006.61
  6. Step 6: Final answer
    x = 20,577,645.64

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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.