Home / 21,676,086.61-29,913,409.96-11,885,946.89

Finding the Fourth Proportional to 21,676,086.61, 29,913,409.96 and 11,885,946.89

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Solution

The fourth proportional to 21,676,086.61, 29,913,409.96 and 11,885,946.89 is: 16,402,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676,086.61 : 29,913,409.96 = 11,885,946.89 : x
  2. Step 2: Convert to fraction form
    21,676,086.61/29,913,409.96 = 11,885,946.89/x
  3. Step 3: Cross multiply
    21,676,086.61x = 29,913,409.96 × 11,885,946.89
  4. Step 4: Simplify right side
    21,676,086.61x = 355,549,201,904,075.12
  5. Step 5: Solve for x
    x = 355,549,201,904,075.12/21,676,086.61
  6. Step 6: Final answer
    x = 16,402,831.76

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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.