Home / 28,596,056.12-39,462,821.63-15,543,345.74

Finding the Fourth Proportional to 28,596,056.12, 39,462,821.63 and 15,543,345.74

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Solution

The fourth proportional to 28,596,056.12, 39,462,821.63 and 15,543,345.74 is: 21,449,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596,056.12 : 39,462,821.63 = 15,543,345.74 : x
  2. Step 2: Convert to fraction form
    28,596,056.12/39,462,821.63 = 15,543,345.74/x
  3. Step 3: Cross multiply
    28,596,056.12x = 39,462,821.63 × 15,543,345.74
  4. Step 4: Simplify right side
    28,596,056.12x = 613,384,280,196,009.50
  5. Step 5: Solve for x
    x = 613,384,280,196,009.50/28,596,056.12
  6. Step 6: Final answer
    x = 21,449,960.71

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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.