Home / 28,479,740.94-39,302,231.18-15,426,999.86

Finding the Fourth Proportional to 28,479,740.94, 39,302,231.18 and 15,426,999.86

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Solution

The fourth proportional to 28,479,740.94, 39,302,231.18 and 15,426,999.86 is: 21,289,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,740.94 : 39,302,231.18 = 15,426,999.86 : x
  2. Step 2: Convert to fraction form
    28,479,740.94/39,302,231.18 = 15,426,999.86/x
  3. Step 3: Cross multiply
    28,479,740.94x = 39,302,231.18 × 15,426,999.86
  4. Step 4: Simplify right side
    28,479,740.94x = 606,315,514,637,901.50
  5. Step 5: Solve for x
    x = 606,315,514,637,901.50/28,479,740.94
  6. Step 6: Final answer
    x = 21,289,362.00

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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.