Home / 28,562,686.05-39,416,382.09-15,509,838.99

Finding the Fourth Proportional to 28,562,686.05, 39,416,382.09 and 15,509,838.99

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Solution

The fourth proportional to 28,562,686.05, 39,416,382.09 and 15,509,838.99 is: 21,403,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562,686.05 : 39,416,382.09 = 15,509,838.99 : x
  2. Step 2: Convert to fraction form
    28,562,686.05/39,416,382.09 = 15,509,838.99/x
  3. Step 3: Cross multiply
    28,562,686.05x = 39,416,382.09 × 15,509,838.99
  4. Step 4: Simplify right side
    28,562,686.05x = 611,341,739,784,219.75
  5. Step 5: Solve for x
    x = 611,341,739,784,219.75/28,562,686.05
  6. Step 6: Final answer
    x = 21,403,510.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.