Home / 14,685,117.71-20,264,272.88-8,490,562.25

Finding the Fourth Proportional to 14,685,117.71, 20,264,272.88 and 8,490,562.25

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Solution

The fourth proportional to 14,685,117.71, 20,264,272.88 and 8,490,562.25 is: 11,716,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685,117.71 : 20,264,272.88 = 8,490,562.25 : x
  2. Step 2: Convert to fraction form
    14,685,117.71/20,264,272.88 = 8,490,562.25/x
  3. Step 3: Cross multiply
    14,685,117.71x = 20,264,272.88 × 8,490,562.25
  4. Step 4: Simplify right side
    14,685,117.71x = 172,055,070,194,852.59
  5. Step 5: Solve for x
    x = 172,055,070,194,852.59/14,685,117.71
  6. Step 6: Final answer
    x = 11,716,288.13

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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.