Home / 21,509,866.80-32,264,800.20-8,736,490.80

Finding the Fourth Proportional to 21,509,866.80, 32,264,800.20 and 8,736,490.80

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Solution

The fourth proportional to 21,509,866.80, 32,264,800.20 and 8,736,490.80 is: 13,104,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,866.80 : 32,264,800.20 = 8,736,490.80 : x
  2. Step 2: Convert to fraction form
    21,509,866.80/32,264,800.20 = 8,736,490.80/x
  3. Step 3: Cross multiply
    21,509,866.80x = 32,264,800.20 × 8,736,490.80
  4. Step 4: Simplify right side
    21,509,866.80x = 281,881,130,111,138.19
  5. Step 5: Solve for x
    x = 281,881,130,111,138.19/21,509,866.80
  6. Step 6: Final answer
    x = 13,104,736.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.