Home / 21,602,825.52-29,810,950.20-12,312,406.44

Finding the Fourth Proportional to 21,602,825.52, 29,810,950.20 and 12,312,406.44

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Solution

The fourth proportional to 21,602,825.52, 29,810,950.20 and 12,312,406.44 is: 16,990,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602,825.52 : 29,810,950.20 = 12,312,406.44 : x
  2. Step 2: Convert to fraction form
    21,602,825.52/29,810,950.20 = 12,312,406.44/x
  3. Step 3: Cross multiply
    21,602,825.52x = 29,810,950.20 × 12,312,406.44
  4. Step 4: Simplify right side
    21,602,825.52x = 367,044,535,224,999.25
  5. Step 5: Solve for x
    x = 367,044,535,224,999.25/21,602,825.52
  6. Step 6: Final answer
    x = 16,990,580.00

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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.